US Bridges

H-10 over Lit Black Rvr

Good

Ripley County, Missouri · S 35 T 22 N R 3 E · Structure no. 16761

Built
1940
85 years old
Condition
Good
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
113 ft
3 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

H-10 over Lit Black Rvr is a steel continuous stringer/multi-beam or girder carrying H-10 over Lit Black Rvr in Ripley County, Missouri. It was built in 1940, so it is 85 years old, older 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 24 by 2043. The structure is 113 ft (34.4 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesH-10
CrossesLit Black Rvr
LocationS 35 T 22 N R 3 E
RouteCounty Highway 131
Coordinates36.5108, -90.7109
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating45.6 US tons
Inventory rating27.8 US tons

Structure

MaterialSteel Continuous
DeckOther
Main spans3
Design loadOther
Structure length113 ft (34.4 m)
Longest span50 ft (15.2 m)
Deck width16 ft (5 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic24 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 H-10 over Lit Black Rvr built?

It was built in 1940, making it 85 years old in 2025.

What condition is H-10 over Lit Black Rvr 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 February 2025.

How much traffic does H-10 over Lit Black Rvr carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is H-10 over Lit Black Rvr?

The structure is 113 ft (34.4 m) long with a longest span of 50 ft (15.2 m) and a deck 16 ft wide.

Who owns H-10 over Lit Black Rvr?

It is owned by the County Highway Agency.