US Bridges

Nfa 928 (sa 8921) over Big Hayes Creek

Good

Warren County, Tennessee · 2 MI West of SR 56 · Structure no. 89S43980005

Built
2021
4 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
78 ft
1 main span
Daily traffic
625
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 928 (sa 8921) over Big Hayes Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa 928 (sa 8921) over Big Hayes Creek in Warren County, Tennessee. It was built in 2021, so it is 4 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 625 vehicles a day, roughly 3% of them trucks, projected to reach 659 by 2042. The structure is 78 ft (23.8 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 928 (sa 8921)
CrossesBig Hayes Creek
Location2 MI West of SR 56
RouteCounty Highway 928
Coordinates35.58249, -85.72958
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length78 ft (23.8 m)
Longest span78 ft (23.8 m)
Deck width30 ft (9.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic659 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 928 (sa 8921) over Big Hayes Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is Nfa 928 (sa 8921) over Big Hayes 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 April 2023.

How much traffic does Nfa 928 (sa 8921) over Big Hayes Creek carry?

About 625 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 928 (sa 8921) over Big Hayes Creek?

The structure is 78 ft (23.8 m) long with a longest span of 78 ft (23.8 m) and a deck 30 ft wide.

Who owns Nfa 928 (sa 8921) over Big Hayes Creek?

It is owned by the County Highway Agency.