US Bridges

Nfa 1951 (sa 7418) over Santee Creek

Fair

Robertson County, Tennessee · 4.4 MI SE JCT SR25&SR49 · Structure no. 74019510005

Built
1950
75 years old
Condition
Fair
inspected April 2024
Type
Culvert
Concrete Continuous
Length
48 ft
2 main spans
Daily traffic
1,266
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1951 (sa 7418) over Santee Creek is a concrete continuous culvert carrying Nfa 1951 (sa 7418) over Santee Creek in Robertson County, Tennessee. It was built in 1950, so it is 75 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 1,266 vehicles a day, roughly 3% of them trucks, projected to reach 1,744 by 2040. The structure is 48 ft (14.6 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesNfa 1951 (sa 7418)
CrossesSantee Creek
Location4.4 MI SE JCT SR25&SR49
RouteCounty Highway 1951
CountyRobertson County
StateTennessee
Coordinates36.5027, -86.7629
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 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
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.7 US tons
Inventory rating27.9 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span15 ft (4.6 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,266 (2021)
Projected traffic1,744 by 2040
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 statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$218,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1951 (sa 7418) over Santee Creek built?

It was built in 1950, making it 75 years old in 2025.

What condition is Nfa 1951 (sa 7418) over Santee 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 1951 (sa 7418) over Santee Creek carry?

About 1,266 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1951 (sa 7418) over Santee Creek?

The structure is 48 ft (14.6 m) long with a longest span of 15 ft (4.6 m) and a deck 24 ft wide.

Who owns Nfa 1951 (sa 7418) over Santee Creek?

It is owned by the County Highway Agency.