US Bridges

County RD 8100 over Lit Beaver CR

Good

Phelps County, Missouri · S 8 T 37 N R 8 W · Structure no. 29793

Built
2008
17 years old
Condition
Good
inspected November 2023
Type
Slab
Prestressed Concrete Continuous
Length
33 ft
1 main span
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 8100 over Lit Beaver CR is a prestressed concrete continuous slab carrying County RD 8100 over Lit Beaver CR in Phelps County, Missouri. It was built in 2008, so it is 17 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 130 by 2044. The structure is 33 ft (10.1 m) long and 28 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesCounty RD 8100
CrossesLit Beaver CR
LocationS 8 T 37 N R 8 W
RouteCounty Highway 19
Coordinates37.9486, -91.8243
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating84.3 US tons
Inventory rating50.6 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length33 ft (10.1 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic130 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 County RD 8100 over Lit Beaver CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is County RD 8100 over Lit Beaver CR 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 November 2023.

How much traffic does County RD 8100 over Lit Beaver CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 8100 over Lit Beaver CR?

The structure is 33 ft (10.1 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns County RD 8100 over Lit Beaver CR?

It is owned by the County Highway Agency.