US Bridges

Bald Hill RD over Coon CR

Fair

Cole County, Missouri · S 33 T 44 N R 11 W · Structure no. 15909

Built
1989
36 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
38 ft
2 main spans
Daily traffic
600
2024 count
Owner
County
County Highway Agency

About this bridge

Bald Hill RD over Coon CR is a concrete culvert carrying Bald Hill RD over Coon CR in Cole County, Missouri. It was built in 1989, so it is 36 years old, younger 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 600 vehicles a day, roughly 10% of them trucks, projected to reach 1,020 by 2044. The structure is 38 ft (11.6 m) long. If it were closed, the detour would be 6.8 mi (11 km).

CarriesBald Hill RD
CrossesCoon CR
LocationS 33 T 44 N R 11 W
RouteCounty Highway 103
Coordinates38.51178, -92.13565
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 inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length38 ft (11.6 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 traffic600 (2024)
Projected traffic1,020 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Bald Hill RD over Coon CR built?

It was built in 1989, making it 36 years old in 2025.

What condition is Bald Hill RD over Coon 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 October 2023.

How much traffic does Bald Hill RD over Coon CR carry?

About 600 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Bald Hill RD over Coon CR?

The structure is 38 ft (11.6 m) long with a longest span of 14 ft (4.3 m).

Who owns Bald Hill RD over Coon CR?

It is owned by the County Highway Agency.