US Bridges

Timmons RD over Trib of Cedar CR

Good

Boone County, Missouri · S 35 T 50 N R 11 W · Structure no. 31065

Built
2004
21 years old
Condition
Good
inspected December 2024
Type
Slab
Prestressed Concrete
Length
29 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Timmons RD over Trib of Cedar CR is a prestressed concrete slab carrying Timmons RD over Trib of Cedar CR in Boone County, Missouri. It was built in 2004, so it is 21 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 95 by 2043. The structure is 29 ft (8.7 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTimmons RD
CrossesTrib of Cedar CR
LocationS 35 T 50 N R 11 W
RouteCounty Highway 0
Coordinates39.06853, -92.15726
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating49.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadUnknown
Structure length29 ft (8.7 m)
Longest span26 ft (7.9 m)
Deck width26 ft (7.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic95 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-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 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 Timmons RD over Trib of Cedar CR built?

It was built in 2004, making it 21 years old in 2025.

What condition is Timmons RD over Trib of Cedar CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2024.

How much traffic does Timmons RD over Trib of Cedar CR carry?

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

How long is Timmons RD over Trib of Cedar CR?

The structure is 29 ft (8.7 m) long with a longest span of 26 ft (7.9 m) and a deck 26 ft wide.

Who owns Timmons RD over Trib of Cedar CR?

It is owned by the County Highway Agency.