US Bridges

Nfa 928 (sa 8921) over Town Creek

Good

Warren County, Tennessee · 0.1 Mi. N. of Grundy Co. · Structure no. 89S43980003

Built
1990
35 years old
Condition
Good
inspected May 2023
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
625
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 928 (sa 8921) over Town Creek is a concrete continuous culvert carrying Nfa 928 (sa 8921) over Town Creek in Warren County, Tennessee. It was built in 1990, so it is 35 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 672 by 2039. The structure is 30 ft (9.1 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 928 (sa 8921)
CrossesTown Creek
Location0.1 Mi. N. of Grundy Co.
RouteCounty Highway 928
Coordinates35.52647, -85.75446
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionMay 2023
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 alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic625 (2021)
Projected traffic672 by 2039
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 Town Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is Nfa 928 (sa 8921) over Town 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 May 2023.

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

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

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

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.7 m) and a deck 26 ft wide.

Who owns Nfa 928 (sa 8921) over Town Creek?

It is owned by the County Highway Agency.