US Bridges

Nfa 1933 (sa 1103) over Harpeth River

Fair

Cheatham County, Tennessee · 2.5 Se. SR250. · Structure no. 11019330001

Built
1982
43 years old
Condition
Fair
inspected August 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
281 ft
4 main spans
Daily traffic
446
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1933 (sa 1103) over Harpeth River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 1933 (sa 1103) over Harpeth River in Cheatham County, Tennessee. It was built in 1982, so it is 43 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 446 vehicles a day, roughly 3% of them trucks, projected to reach 792 by 2041. The structure is 281 ft (85.6 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1933 (sa 1103)
CrossesHarpeth River
Location2.5 Se. SR250.
RouteCounty Highway 1933
CountyCheatham County
StateTennessee
Coordinates36.16803, -87.12852
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length281 ft (85.6 m)
Longest span70 ft (21.3 m)
Deck width30 ft (9 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic446 (2021)
Projected traffic792 by 2041
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$362,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1933 (sa 1103) over Harpeth River built?

It was built in 1982, making it 43 years old in 2025.

What condition is Nfa 1933 (sa 1103) over Harpeth River 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 2024.

How much traffic does Nfa 1933 (sa 1103) over Harpeth River carry?

About 446 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1933 (sa 1103) over Harpeth River?

The structure is 281 ft (85.6 m) long with a longest span of 70 ft (21.3 m) and a deck 30 ft wide.

Who owns Nfa 1933 (sa 1103) over Harpeth River?

It is owned by the County Highway Agency.