US Bridges

County RD 525 over ST James Drain Dtc

PoorPosted for load

Mississippi County, Missouri · S 31 T 25 N R 16 E · Structure no. 15805

Built
1955
70 years old
Condition
Poor
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
40
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 525 over ST James Drain Dtc is a steel stringer/multi-beam or girder carrying County RD 525 over ST James Drain Dtc in Mississippi County, Missouri. It was built in 1955, so it is 70 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 50 by 2044. The structure is 52 ft (15.8 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 525
CrossesST James Drain Dtc
LocationS 31 T 25 N R 16 E
RouteCounty Highway 100
CountyMississippi County
StateMissouri
Coordinates36.76128, -89.37071
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating13.9 US tons
Inventory rating5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length52 ft (15.8 m)
Longest span51 ft (15.5 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2024)
Projected traffic50 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$416,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 525 over ST James Drain Dtc built?

It was built in 1955, making it 70 years old in 2025.

What condition is County RD 525 over ST James Drain Dtc in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in December 2023.

How much traffic does County RD 525 over ST James Drain Dtc carry?

About 40 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 525 over ST James Drain Dtc?

The structure is 52 ft (15.8 m) long with a longest span of 51 ft (15.5 m) and a deck 16 ft wide.

Who owns County RD 525 over ST James Drain Dtc?

It is owned by the County Highway Agency.