US Bridges

Nfa 1850 (sa 4118) over Tatum Creek

Fair

Hickman County, Tennessee · 4 M East of Wrigley · Structure no. 41018500001

Built
1968
57 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
1,117
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1850 (sa 4118) over Tatum Creek is a concrete continuous culvert carrying Nfa 1850 (sa 4118) over Tatum Creek in Hickman County, Tennessee. It was built in 1968, so it is 57 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 1,117 vehicles a day, roughly 3% of them trucks, projected to reach 1,706 by 2041. The structure is 25 ft (7.6 m) long and 24 ft wide. If it were closed, the detour would be 16.2 mi (26 km).

Location

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CarriesNfa 1850 (sa 4118)
CrossesTatum Creek
Location4 M East of Wrigley
RouteCounty Highway 1850
CountyHickman County
StateTennessee
Coordinates35.89387, -87.28128
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 protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating60.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,117 (2021)
Projected traffic1,706 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.2 mi (26 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$130,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1850 (sa 4118) over Tatum Creek built?

It was built in 1968, making it 57 years old in 2025.

What condition is Nfa 1850 (sa 4118) over Tatum 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 August 2023.

How much traffic does Nfa 1850 (sa 4118) over Tatum Creek carry?

About 1,117 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1850 (sa 4118) over Tatum Creek?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 24 ft wide.

Who owns Nfa 1850 (sa 4118) over Tatum Creek?

It is owned by the County Highway Agency.