US Bridges

Nfa 2289 (sa 1815) over Duncan Creek

Good

Cumberland County, Tennessee · South of I40 · Structure no. 18022890001

Built
1940
85 years old, rebuilt 2020
Condition
Good
inspected May 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
45 ft
1 main span
Daily traffic
344
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2289 (sa 1815) over Duncan Creek is a prestressed concrete box beam or girders - single or spread carrying Nfa 2289 (sa 1815) over Duncan Creek in Cumberland County, Tennessee. It was built in 1940 and reconstructed in 2020, so it is 85 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 344 vehicles a day, roughly 3% of them trucks, projected to reach 550 by 2042. The structure is 45 ft (13.7 m) long and 31 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 2289 (sa 1815)
CrossesDuncan Creek
LocationSouth of I40
RouteCounty Highway 2289
Coordinates36.00208, -85.2019
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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating46.7 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length45 ft (13.7 m)
Longest span45 ft (13.7 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic344 (2021)
Projected traffic550 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$631,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 2289 (sa 1815) over Duncan Creek built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2020.

What condition is Nfa 2289 (sa 1815) over Duncan 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 2024.

How much traffic does Nfa 2289 (sa 1815) over Duncan Creek carry?

About 344 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2289 (sa 1815) over Duncan Creek?

The structure is 45 ft (13.7 m) long with a longest span of 45 ft (13.7 m) and a deck 31 ft wide.

Who owns Nfa 2289 (sa 1815) over Duncan Creek?

It is owned by the County Highway Agency.