US Bridges

Spring Crk RD over Spring Creek

Fair

Adair County, Missouri · S 4 T 63 N R 17 W · Structure no. 18148

Built
1999
26 years old
Condition
Fair
inspected February 2024
Type
Tee Beam
Prestressed Concrete
Length
142 ft
3 main spans
Daily traffic
50
2024 count
Owner
County
County Highway Agency

About this bridge

Spring Crk RD over Spring Creek is a prestressed concrete tee beam carrying Spring Crk RD over Spring Creek in Adair County, Missouri. It was built in 1999, so it is 26 years old, younger 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 55 by 2044. The structure is 142 ft (43.3 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSpring Crk RD
CrossesSpring Creek
LocationS 4 T 63 N R 17 W
RouteCounty Highway 174
Coordinates40.28919, -92.81802
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length142 ft (43.3 m)
Longest span53 ft (16.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2024)
Projected traffic55 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Spring Crk RD over Spring Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Spring Crk RD over Spring Creek 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 February 2024.

How much traffic does Spring Crk RD over Spring Creek carry?

About 50 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Spring Crk RD over Spring Creek?

The structure is 142 ft (43.3 m) long with a longest span of 53 ft (16.2 m) and a deck 24 ft wide.

Who owns Spring Crk RD over Spring Creek?

It is owned by the County Highway Agency.