US Bridges

Coles Creek RD over Trib of Missouri R

Fair

Gasconade County, Missouri · S 5 T 45 N R 5 W · Structure no. 12359

Built
1963
62 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
36
2024 count
Owner
County
County Highway Agency

About this bridge

Coles Creek RD over Trib of Missouri R is a steel stringer/multi-beam or girder carrying Coles Creek RD over Trib of Missouri R in Gasconade County, Missouri. It was built in 1963, so it is 62 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 36 vehicles a day, roughly 10% of them trucks, projected to reach 43 by 2044. The structure is 36 ft (10.9 m) long and 14 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesColes Creek RD
CrossesTrib of Missouri R
LocationS 5 T 45 N R 5 W
RouteCounty Highway 7
Coordinates38.67717, -91.50897
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
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 rating35.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length36 ft (10.9 m)
Longest span32 ft (9.8 m)
Deck width14 ft (4.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2024)
Projected traffic43 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Coles Creek RD over Trib of Missouri R built?

It was built in 1963, making it 62 years old in 2025.

What condition is Coles Creek RD over Trib of Missouri R 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 March 2024.

How much traffic does Coles Creek RD over Trib of Missouri R carry?

About 36 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Coles Creek RD over Trib of Missouri R?

The structure is 36 ft (10.9 m) long with a longest span of 32 ft (9.8 m) and a deck 14 ft wide.

Who owns Coles Creek RD over Trib of Missouri R?

It is owned by the County Highway Agency.