US Bridges

Nfa 1153 (sa 7708) over Mcwilliams Creek

Good

Sequatchie County, Tennessee · 2 MI East of US 127 · Structure no. 77S43510003

Built
1984
41 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete Continuous
Length
49 ft
3 main spans
Daily traffic
472
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1153 (sa 7708) over Mcwilliams Creek is a concrete continuous culvert carrying Nfa 1153 (sa 7708) over Mcwilliams Creek in Sequatchie County, Tennessee. It was built in 1984, so it is 41 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 472 vehicles a day, roughly 3% of them trucks, projected to reach 608 by 2041. The structure is 49 ft (14.9 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1153 (sa 7708)
CrossesMcwilliams Creek
Location2 MI East of US 127
RouteCounty Highway 1153
Coordinates35.40601, -85.3295
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 inspectionDecember 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 rating64.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length49 ft (14.9 m)
Longest span15 ft (4.6 m)
Deck width26 ft (7.9 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic472 (2021)
Projected traffic608 by 2041
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1153 (sa 7708) over Mcwilliams Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 1153 (sa 7708) over Mcwilliams 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 December 2024.

How much traffic does Nfa 1153 (sa 7708) over Mcwilliams Creek carry?

About 472 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1153 (sa 7708) over Mcwilliams Creek?

The structure is 49 ft (14.9 m) long with a longest span of 15 ft (4.6 m) and a deck 26 ft wide.

Who owns Nfa 1153 (sa 7708) over Mcwilliams Creek?

It is owned by the County Highway Agency.