US Bridges

County RD 3160 over Lit Dry Fk CR

Fair

Phelps County, Missouri · S 19 T 37 N R 7 W · Structure no. 17021

Built
1998
27 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
60
2024 count
Owner
County
County Highway Agency

About this bridge

County RD 3160 over Lit Dry Fk CR is a steel stringer/multi-beam or girder carrying County RD 3160 over Lit Dry Fk CR in Phelps County, Missouri. It was built in 1998, so it is 27 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 60 vehicles a day, roughly 10% of them trucks, projected to reach 78 by 2044. The structure is 70 ft (21.3 m) long and 20 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCounty RD 3160
CrossesLit Dry Fk CR
LocationS 19 T 37 N R 7 W
RouteCounty Highway 140
Coordinates37.9221, -91.7266
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to 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 rating54.6 US tons
Inventory rating32.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length70 ft (21.3 m)
Longest span70 ft (21.3 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2024)
Projected traffic78 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 3160 over Lit Dry Fk CR built?

It was built in 1998, making it 27 years old in 2025.

What condition is County RD 3160 over Lit Dry Fk 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 2023.

How much traffic does County RD 3160 over Lit Dry Fk CR carry?

About 60 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is County RD 3160 over Lit Dry Fk CR?

The structure is 70 ft (21.3 m) long with a longest span of 70 ft (21.3 m) and a deck 20 ft wide.

Who owns County RD 3160 over Lit Dry Fk CR?

It is owned by the County Highway Agency.