US Bridges

Nfa A301 over N. Fork Sycamore Creek

Good

Robertson County, Tennessee · 4.4 MI SE JCT SR65&SR257 · Structure no. 740A3010001

Built
1982
43 years old
Condition
Good
inspected March 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
46 ft
1 main span
Daily traffic
530
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A301 over N. Fork Sycamore Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa A301 over N. Fork Sycamore Creek in Robertson County, Tennessee. It was built in 1982, so it is 43 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 530 vehicles a day, roughly 2% of them trucks, projected to reach 848 by 2042. The structure is 46 ft (14 m) long and 25 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesNfa A301
CrossesN. Fork Sycamore Creek
Location4.4 MI SE JCT SR65&SR257
RouteCounty Highway 0A301
Coordinates36.38467, -86.85883
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length46 ft (14 m)
Longest span42 ft (12.8 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic530 (2020)
Projected traffic848 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 A301 over N. Fork Sycamore Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Nfa A301 over N. Fork Sycamore 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 March 2024.

How much traffic does Nfa A301 over N. Fork Sycamore Creek carry?

About 530 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A301 over N. Fork Sycamore Creek?

The structure is 46 ft (14 m) long with a longest span of 42 ft (12.8 m) and a deck 25 ft wide.

Who owns Nfa A301 over N. Fork Sycamore Creek?

It is owned by the County Highway Agency.