US Bridges

Nfa C056 over Casper Creek

Fair

Shelby County, Tennessee · Gunn RD - Shelby CO · Structure no. 790A1250001

Built
1965
60 years old, rebuilt 1987
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
67 ft
3 main spans
Daily traffic
50
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C056 over Casper Creek is a concrete tee beam carrying Nfa C056 over Casper Creek in Shelby County, Tennessee. It was built in 1965 and reconstructed in 1987, 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 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.

It carries about 50 vehicles a day, roughly 2% of them trucks, projected to reach 80 by 2041. The structure is 67 ft (20.4 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa C056
CrossesCasper Creek
LocationGunn RD - Shelby CO
RouteCounty Highway 56
Coordinates35.36017, -89.82745
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckOther
Main spans3
Design loadH 15
Structure length67 ft (20.4 m)
Longest span33 ft (10.1 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic80 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 C056 over Casper Creek built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1987.

What condition is Nfa C056 over Casper Creek 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 May 2023.

How much traffic does Nfa C056 over Casper Creek carry?

About 50 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C056 over Casper Creek?

The structure is 67 ft (20.4 m) long with a longest span of 33 ft (10.1 m) and a deck 32 ft wide.

Who owns Nfa C056 over Casper Creek?

It is owned by the County Highway Agency.