US Bridges

Nfa 2451 (sa 4504) over Seehorn Creek

Fair

Jefferson County, Tennessee · 3 M NW of SR363-US25W JCT · Structure no. 45024510001

Built
1943
82 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete Continuous
Length
37 ft
3 main spans
Daily traffic
831
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2451 (sa 4504) over Seehorn Creek is a concrete continuous culvert carrying Nfa 2451 (sa 4504) over Seehorn Creek in Jefferson County, Tennessee. It was built in 1943, so it is 82 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 831 vehicles a day, roughly 3% of them trucks, projected to reach 944 by 2041. The structure is 37 ft (11.4 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa 2451 (sa 4504)
CrossesSeehorn Creek
Location3 M NW of SR363-US25W JCT
RouteCounty Highway 2451
Coordinates36.01954, -83.3095
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating49.6 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadUnknown
Structure length37 ft (11.4 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic831 (2021)
Projected traffic944 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 2451 (sa 4504) over Seehorn Creek built?

It was built in 1943, making it 82 years old in 2025.

What condition is Nfa 2451 (sa 4504) over Seehorn Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does Nfa 2451 (sa 4504) over Seehorn Creek carry?

About 831 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2451 (sa 4504) over Seehorn Creek?

The structure is 37 ft (11.4 m) long with a longest span of 12 ft (3.7 m).

Who owns Nfa 2451 (sa 4504) over Seehorn Creek?

It is owned by the County Highway Agency.