US Bridges

Nfa 1253 (sa 7303) over King Creek

Fair

Roane County, Tennessee · E of US27-S at Rockwood · Structure no. 73S24420003

Built
1955
70 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
1,033
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1253 (sa 7303) over King Creek is a concrete continuous culvert carrying Nfa 1253 (sa 7303) over King Creek in Roane County, Tennessee. It was built in 1955, so it is 70 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 1,033 vehicles a day, roughly 3% of them trucks, projected to reach 1,381 by 2042. The structure is 31 ft (9.4 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1253 (sa 7303)
CrossesKing Creek
LocationE of US27-S at Rockwood
RouteCounty Highway 1253
Coordinates35.83128, -84.69781
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,033 (2021)
Projected traffic1,381 by 2042
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 1253 (sa 7303) over King Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa 1253 (sa 7303) over King 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 March 2023.

How much traffic does Nfa 1253 (sa 7303) over King Creek carry?

About 1,033 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1253 (sa 7303) over King Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m) and a deck 31 ft wide.

Who owns Nfa 1253 (sa 7303) over King Creek?

It is owned by the County Highway Agency.