US Bridges

Nfa 1963 (sa 7413) over Spring Creek

Fair

Robertson County, Tennessee · 3 MI N JCT SR25&SR161 · Structure no. 74S61210001

Built
1978
47 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
48 ft
3 main spans
Daily traffic
315
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1963 (sa 7413) over Spring Creek is a concrete continuous culvert carrying Nfa 1963 (sa 7413) over Spring Creek in Robertson County, Tennessee. It was built in 1978, so it is 47 years old, younger 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 315 vehicles a day, roughly 3% of them trucks, projected to reach 464 by 2040. The structure is 48 ft (14.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1963 (sa 7413)
CrossesSpring Creek
Location3 MI N JCT SR25&SR161
RouteCounty Highway 1963
Coordinates36.64107, -86.91936
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 inspectionApril 2024
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 rating60.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic315 (2021)
Projected traffic464 by 2040
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 1963 (sa 7413) over Spring Creek built?

It was built in 1978, making it 47 years old in 2025.

What condition is Nfa 1963 (sa 7413) over Spring 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 April 2024.

How much traffic does Nfa 1963 (sa 7413) over Spring Creek carry?

About 315 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1963 (sa 7413) over Spring Creek?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 28 ft wide.

Who owns Nfa 1963 (sa 7413) over Spring Creek?

It is owned by the County Highway Agency.