US Bridges

Nfa A257 over S. Fk. Sycamore CR

Good

Claiborne County, Tennessee · S of SR33 near Hancock · Structure no. 130A2570003

Built
2017
8 years old
Condition
Good
inspected June 2023
Type
Culvert
Steel
Length
23 ft
1 main span
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A257 over S. Fk. Sycamore CR is a steel culvert carrying Nfa A257 over S. Fk. Sycamore CR in Claiborne County, Tennessee. It was built in 2017, so it is 8 years old, younger 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 80 vehicles a day, roughly 4% of them trucks, projected to reach 128 by 2039. The structure is 23 ft (7.1 m) long. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa A257
CrossesS. Fk. Sycamore CR
LocationS of SR33 near Hancock
RouteCounty Highway 257
CountyClaiborne County
StateTennessee
Coordinates36.45948, -83.39181
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
Channel and channel protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans1
Design loadHL 93
Structure length23 ft (7.1 m)
Longest span23 ft (7.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2039
Trucks4%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 A257 over S. Fk. Sycamore CR built?

It was built in 2017, making it 8 years old in 2025.

What condition is Nfa A257 over S. Fk. Sycamore 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 June 2023.

How much traffic does Nfa A257 over S. Fk. Sycamore CR carry?

About 80 vehicles per day (2020 count), of which roughly 4% are trucks.

How long is Nfa A257 over S. Fk. Sycamore CR?

The structure is 23 ft (7.1 m) long with a longest span of 23 ft (7.1 m).

Who owns Nfa A257 over S. Fk. Sycamore CR?

It is owned by the County Highway Agency.