US Bridges

Old Bass RD over Arm of Clark Fk

Good

Cole County, Missouri · S 4 T 42 N R 13 W · Structure no. 28889

Built
2001
24 years old
Condition
Good
inspected October 2023
Type
Slab
Prestressed Concrete Continuous
Length
83 ft
3 main spans
Daily traffic
112
2024 count
Owner
County
County Highway Agency

About this bridge

Old Bass RD over Arm of Clark Fk is a prestressed concrete continuous slab carrying Old Bass RD over Arm of Clark Fk in Cole County, Missouri. It was built in 2001, so it is 24 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 112 vehicles a day, roughly 10% of them trucks, projected to reach 190 by 2044. The structure is 83 ft (25.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Bass RD
CrossesArm of Clark Fk
LocationS 4 T 42 N R 13 W
RouteCounty Highway 176
Coordinates38.41972, -92.36836
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length83 ft (25.3 m)
Longest span50 ft (15.2 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2024)
Projected traffic190 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Old Bass RD over Arm of Clark Fk built?

It was built in 2001, making it 24 years old in 2025.

What condition is Old Bass RD over Arm of Clark Fk 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 October 2023.

How much traffic does Old Bass RD over Arm of Clark Fk carry?

About 112 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Old Bass RD over Arm of Clark Fk?

The structure is 83 ft (25.3 m) long with a longest span of 50 ft (15.2 m) and a deck 28 ft wide.

Who owns Old Bass RD over Arm of Clark Fk?

It is owned by the County Highway Agency.