US Bridges

Nfa A257 over S. Fk. Sycamore CR

Good

Claiborne County, Tennessee · S of SR33 near Hancock · Structure no. 130A2570001

Built
2014
11 years old
Condition
Good
inspected June 2023
Type
Culvert
Concrete Continuous
Length
33 ft
2 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A257 over S. Fk. Sycamore CR is a concrete continuous culvert carrying Nfa A257 over S. Fk. Sycamore CR in Claiborne County, Tennessee. It was built in 2014, so it is 11 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 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 80 vehicles a day, roughly 4% of them trucks, projected to reach 128 by 2041. The structure is 33 ft (10 m) long and 29 ft wide. 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
Coordinates36.4728, -83.39806
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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length33 ft (10 m)
Longest span16 ft (4.9 m)
Deck width29 ft (8.8 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2041
Trucks4%
Lanes on structure2
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 2014, making it 11 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 33 ft (10 m) long with a longest span of 16 ft (4.9 m) and a deck 29 ft wide.

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

It is owned by the County Highway Agency.