US Bridges

Whitehead RD over Trib of Cotter CR

Good

Jefferson County, Missouri · S 21 T 40 N R 4 E · Structure no. 34479

Built
2014
11 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
77 ft
1 main span
Daily traffic
300
2023 count
Owner
County
County Highway Agency

About this bridge

Whitehead RD over Trib of Cotter CR is a prestressed concrete stringer/multi-beam or girder carrying Whitehead RD over Trib of Cotter CR in Jefferson County, Missouri. It was built in 2014, so it is 11 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 300 vehicles a day, roughly 5% of them trucks, projected to reach 600 by 2043. The structure is 77 ft (23.5 m) long and 39 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesWhitehead RD
CrossesTrib of Cotter CR
LocationS 21 T 40 N R 4 E
RouteCounty Highway 258
Coordinates38.18955, -90.57969
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 inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating82.3 US tons
Inventory rating63.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length77 ft (23.5 m)
Longest span73 ft (22.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2023)
Projected traffic600 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Whitehead RD over Trib of Cotter CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Whitehead RD over Trib of Cotter 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 February 2025.

How much traffic does Whitehead RD over Trib of Cotter CR carry?

About 300 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Whitehead RD over Trib of Cotter CR?

The structure is 77 ft (23.5 m) long with a longest span of 73 ft (22.3 m) and a deck 39 ft wide.

Who owns Whitehead RD over Trib of Cotter CR?

It is owned by the County Highway Agency.