US Bridges

Coon Branch RD over Br of Crooked Rvr

Fair

Ray County, Missouri · S 25 T 54 N R 29 W · Structure no. 13111

Built
1910
115 years old, rebuilt 1986
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
45 ft
3 main spans
Daily traffic
70
2023 count
Owner
County
County Highway Agency

About this bridge

Coon Branch RD over Br of Crooked Rvr is a concrete culvert carrying Coon Branch RD over Br of Crooked Rvr in Ray County, Missouri. It was built in 1910 and reconstructed in 1986, so it is 115 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 70 vehicles a day, roughly 10% of them trucks, projected to reach 95 by 2043. The structure is 45 ft (13.7 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesCoon Branch RD
CrossesBr of Crooked Rvr
LocationS 25 T 54 N R 29 W
RouteCounty Highway 29
Coordinates39.45641, -94.1039
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadOther
Structure length45 ft (13.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic70 (2023)
Projected traffic95 by 2043
Trucks10%
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 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 Coon Branch RD over Br of Crooked Rvr built?

It was built in 1910, making it 115 years old in 2025. It was reconstructed in 1986.

What condition is Coon Branch RD over Br of Crooked Rvr 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 May 2023.

How much traffic does Coon Branch RD over Br of Crooked Rvr carry?

About 70 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Coon Branch RD over Br of Crooked Rvr?

The structure is 45 ft (13.7 m) long with a longest span of 14 ft (4.3 m).

Who owns Coon Branch RD over Br of Crooked Rvr?

It is owned by the County Highway Agency.