US Bridges

Nfa 930 (sa 5011) over Prosser Creek

Good

Lawrence County, Tennessee · 1.6 M. Se. Leoma. · Structure no. 50F00090003

Built
1965
60 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
42 ft
2 main spans
Daily traffic
1,094
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 930 (sa 5011) over Prosser Creek is a concrete continuous culvert carrying Nfa 930 (sa 5011) over Prosser Creek in Lawrence County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 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 1,094 vehicles a day, roughly 3% of them trucks, projected to reach 1,430 by 2041. The structure is 42 ft (12.9 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa 930 (sa 5011)
CrossesProsser Creek
Location1.6 M. Se. Leoma.
RouteCounty Highway 930
Coordinates35.14935, -87.31348
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.5 US tons
Inventory rating30.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length42 ft (12.9 m)
Longest span20 ft (6.1 m)
Deck width29 ft (8.8 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,094 (2021)
Projected traffic1,430 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Nfa 930 (sa 5011) over Prosser Creek built?

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

What condition is Nfa 930 (sa 5011) over Prosser Creek 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 May 2023.

How much traffic does Nfa 930 (sa 5011) over Prosser Creek carry?

About 1,094 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 930 (sa 5011) over Prosser Creek?

The structure is 42 ft (12.9 m) long with a longest span of 20 ft (6.1 m) and a deck 29 ft wide.

Who owns Nfa 930 (sa 5011) over Prosser Creek?

It is owned by the County Highway Agency.