US Bridges

Whitehead RD over Cotter CR

Fair

Jefferson County, Missouri · S 21 T 40 N R 4 E · Structure no. 20565

Built
1905
120 years old, rebuilt 1984
Condition
Fair
inspected February 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
68 ft
1 main span
Daily traffic
513
2023 count
Owner
County
County Highway Agency

About this bridge

Whitehead RD over Cotter CR is a prestressed concrete box beam or girders - multiple carrying Whitehead RD over Cotter CR in Jefferson County, Missouri. It was built in 1905 and reconstructed in 1984, so it is 120 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 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 513 vehicles a day, roughly 2% of them trucks, projected to reach 1,026 by 2043. The structure is 68 ft (20.7 m) long and 25 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesWhitehead RD
CrossesCotter CR
LocationS 21 T 40 N R 4 E
RouteCounty Highway 258
Coordinates38.18421, -90.57511
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 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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating38.7 US tons
Inventory rating20.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length68 ft (20.7 m)
Longest span67 ft (20.4 m)
Deck width25 ft (7.7 m)
Roadway width25 ft (7.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic513 (2023)
Projected traffic1,026 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Cotter CR built?

It was built in 1905, making it 120 years old in 2025. It was reconstructed in 1984.

What condition is Whitehead RD over Cotter 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 February 2025.

How much traffic does Whitehead RD over Cotter CR carry?

About 513 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Whitehead RD over Cotter CR?

The structure is 68 ft (20.7 m) long with a longest span of 67 ft (20.4 m) and a deck 25 ft wide.

Who owns Whitehead RD over Cotter CR?

It is owned by the County Highway Agency.