US Bridges

County RD 519 over Spring CR

Poor

Maries County, Missouri · S 7 T 39 N R 8 W · Structure no. 16330

Built
1930
95 years old
Condition
Poor
inspected April 2023
Type
Tee Beam
Concrete
Length
105 ft
3 main spans
Daily traffic
45
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 519 over Spring CR is a concrete tee beam carrying County RD 519 over Spring CR in Maries County, Missouri. It was built in 1930, so it is 95 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.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 54 by 2043. The structure is 105 ft (32 m) long and 21 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesCounty RD 519
CrossesSpring CR
LocationS 7 T 39 N R 8 W
RouteCounty Highway 117
Coordinates38.12203, -91.85336
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length105 ft (32 m)
Longest span33 ft (10.1 m)
Deck width21 ft (6.4 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2023)
Projected traffic54 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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$749,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 519 over Spring CR built?

It was built in 1930, making it 95 years old in 2025.

What condition is County RD 519 over Spring CR 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 April 2023.

How much traffic does County RD 519 over Spring CR carry?

About 45 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 519 over Spring CR?

The structure is 105 ft (32 m) long with a longest span of 33 ft (10.1 m) and a deck 21 ft wide.

Who owns County RD 519 over Spring CR?

It is owned by the County Highway Agency.