US Bridges

County RD 1040 over Trib Spring Rvr

FairPosted for load

Lawrence County, Missouri · S 15 T 28 N R 28 W · Structure no. 18799

Built
1938
87 years old
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1040 over Trib Spring Rvr is a steel stringer/multi-beam or girder carrying County RD 1040 over Trib Spring Rvr in Lawrence County, Missouri. It was built in 1938, so it is 87 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. 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 36 ft (11 m) long and 14 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty RD 1040
CrossesTrib Spring Rvr
LocationS 15 T 28 N R 28 W
RouteCounty Highway 200
CountyLawrence County
StateMissouri
Coordinates37.14338, -93.98439
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.8 US tons
Inventory rating9.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 10
Structure length36 ft (11 m)
Longest span34 ft (10.4 m)
Deck width14 ft (4.3 m)
Roadway width12 ft (3.7 m)
Vertical clearance over deckUnrestricted

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 closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byOther Local Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County RD 1040 over Trib Spring Rvr built?

It was built in 1938, making it 87 years old in 2025.

What condition is County RD 1040 over Trib Spring Rvr in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does County RD 1040 over Trib Spring Rvr carry?

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

How long is County RD 1040 over Trib Spring Rvr?

The structure is 36 ft (11 m) long with a longest span of 34 ft (10.4 m) and a deck 14 ft wide.

Who owns County RD 1040 over Trib Spring Rvr?

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