US Bridges

13007 over Trib of Walnut CR

Fair

Bates County, Missouri · S 31 T 39 N R 33 W · Structure no. 24554

Built
1992
33 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
104 ft
3 main spans
Daily traffic
30
2023 count
Owner
County
County Highway Agency

About this bridge

13007 over Trib of Walnut CR is a steel continuous stringer/multi-beam or girder carrying 13007 over Trib of Walnut CR in Bates County, Missouri. It was built in 1992, so it is 33 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 30 vehicles a day, roughly 10% of them trucks, projected to reach 39 by 2043. The structure is 104 ft (31.7 m) long and 22 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
Carries13007
CrossesTrib of Walnut CR
LocationS 31 T 39 N R 33 W
RouteCounty Highway 509
CountyBates County
StateMissouri
Coordinates38.12135, -94.59284
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating75.4 US tons
Inventory rating48.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadOther
Structure length104 ft (31.7 m)
Longest span52 ft (15.8 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic30 (2023)
Projected traffic39 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was 13007 over Trib of Walnut CR built?

It was built in 1992, making it 33 years old in 2025.

What condition is 13007 over Trib of Walnut CR 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 January 2025.

How much traffic does 13007 over Trib of Walnut CR carry?

About 30 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is 13007 over Trib of Walnut CR?

The structure is 104 ft (31.7 m) long with a longest span of 52 ft (15.8 m) and a deck 22 ft wide.

Who owns 13007 over Trib of Walnut CR?

It is owned by the County Highway Agency.