US Bridges

Nfa A281 over Durham Rd. / I24

Good

Montgomery County, Tennessee · 11 M. Ne. Southside. · Structure no. 63I00240019

Built
1973
52 years old
Condition
Good
inspected September 2024
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
421 ft
6 main spans
Daily traffic
160
2020 count
Owner
State
State Highway Agency

About this bridge

Nfa A281 over Durham Rd. / I24 is a concrete continuous box beam or girders - multiple carrying Nfa A281 over Durham Rd. / I24 in Montgomery County, Tennessee. It was built in 1973, so it is 52 years old, older 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 160 vehicles a day, roughly 2% of them trucks, projected to reach 256 by 2041. The structure is 421 ft (128.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A281
CrossesDurham Rd. / I24
Location11 M. Ne. Southside.
RouteCounty Highway 281
Coordinates36.49592, -87.17674
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.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.8 US tons
Inventory rating26.8 US tons

Structure

MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length421 ft (128.3 m)
Longest span100 ft (30.5 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2020)
Projected traffic256 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa A281 over Durham Rd. / I24 built?

It was built in 1973, making it 52 years old in 2025.

What condition is Nfa A281 over Durham Rd. / I24 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 September 2024.

How much traffic does Nfa A281 over Durham Rd. / I24 carry?

About 160 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A281 over Durham Rd. / I24?

The structure is 421 ft (128.3 m) long with a longest span of 100 ft (30.5 m) and a deck 32 ft wide.

Who owns Nfa A281 over Durham Rd. / I24?

It is owned by the State Highway Agency.