US Bridges

County RD 1000 over Spring Rvr

PoorPosted for load

Lawrence County, Missouri · S 12 T 28 N R 29 W · Structure no. 18225

Built
1898
127 years old
Condition
Poor
inspected March 2023
Type
Truss - Thru
Steel
Length
123 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1000 over Spring Rvr is a steel truss - thru carrying County RD 1000 over Spring Rvr in Lawrence County, Missouri. It was built in 1898, so it is 127 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 123 ft (37.5 m) long and 13 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCounty RD 1000
CrossesSpring Rvr
LocationS 12 T 28 N R 29 W
RouteCounty Highway 178
CountyLawrence County
StateMissouri
Coordinates37.15329, -94.05624
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
Deck8 Very GoodNo problems noted.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating6 US tons
Inventory rating4 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckOpen grating
Main spans1
Design loadOther
Structure length123 ft (37.5 m)
Longest span120 ft (36.6 m)
Deck width13 ft (4 m)
Roadway width13 ft (4 m)
Vertical clearance over deck14 ft (4.3 m)

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$854,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1000 over Spring Rvr built?

It was built in 1898, making it 127 years old in 2025.

What condition is County RD 1000 over Spring Rvr 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 March 2023.

How much traffic does County RD 1000 over Spring Rvr carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1000 over Spring Rvr?

The structure is 123 ft (37.5 m) long with a longest span of 120 ft (36.6 m) and a deck 13 ft wide.

Who owns County RD 1000 over Spring Rvr?

It is owned by the County Highway Agency and maintained by the Other Local Agency.