US Bridges

County RD 8240 over Howell CR

FairPosted for load

Howell County, Missouri · S 26 T 24 N R 8 W · Structure no. 29317

Built
1965
60 years old, rebuilt 2000
Condition
Fair
inspected November 2024
Type
Slab
Concrete Continuous
Length
28 ft
2 main spans
Daily traffic
120
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 8240 over Howell CR is a concrete continuous slab carrying County RD 8240 over Howell CR in Howell County, Missouri. It was built in 1965 and reconstructed in 2000, so it is 60 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 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 120 vehicles a day, roughly 10% of them trucks, projected to reach 156 by 2043. The structure is 28 ft (8.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCounty RD 8240
CrossesHowell CR
LocationS 26 T 24 N R 8 W
RouteCounty Highway 8240
Coordinates36.7242, -91.8175
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 rating23.8 US tons
Inventory rating12.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span12 ft (3.8 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic120 (2023)
Projected traffic156 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 County RD 8240 over Howell CR built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 2000.

What condition is County RD 8240 over Howell 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 November 2024.

How much traffic does County RD 8240 over Howell CR carry?

About 120 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 8240 over Howell CR?

The structure is 28 ft (8.5 m) long with a longest span of 12 ft (3.8 m) and a deck 28 ft wide.

Who owns County RD 8240 over Howell CR?

It is owned by the County Highway Agency.