US Bridges

Nfa B003 (sa 7406) over Spring Creek

Fair

Robertson County, Tennessee · 4.7 MI NW JCT SR11&SR49 · Structure no. 74S62790001

Built
1960
65 years old
Condition
Fair
inspected May 2024
Type
Culvert
Concrete Continuous
Length
56 ft
5 main spans
Daily traffic
2,128
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa B003 (sa 7406) over Spring Creek is a concrete continuous culvert carrying Nfa B003 (sa 7406) over Spring Creek in Robertson County, Tennessee. It was built in 1960, so it is 65 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 5 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 2,128 vehicles a day, roughly 3% of them trucks, projected to reach 2,912 by 2040. The structure is 56 ft (17.1 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa B003 (sa 7406)
CrossesSpring Creek
Location4.7 MI NW JCT SR11&SR49
RouteCounty Highway 0B003
CountyRobertson County
StateTennessee
Coordinates36.5304, -86.96107
Functional classRural Local

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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans5
Design loadHS 20
Structure length56 ft (17.1 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,128 (2021)
Projected traffic2,912 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 B003 (sa 7406) over Spring Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa B003 (sa 7406) 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 May 2024.

How much traffic does Nfa B003 (sa 7406) over Spring Creek carry?

About 2,128 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa B003 (sa 7406) over Spring Creek?

The structure is 56 ft (17.1 m) long with a longest span of 10 ft (3 m).

Who owns Nfa B003 (sa 7406) over Spring Creek?

It is owned by the County Highway Agency.