US Bridges

Nfa 1903 over Duck River

Fair

Maury County, Tennessee · 4 M E of Columbia · Structure no. 600A1610001

Built
1925
100 years old
Condition
Fair
inspected May 2024
Type
Arch - Deck
Concrete
Length
343 ft
3 main spans
Daily traffic
820
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1903 over Duck River is a concrete arch - deck carrying Nfa 1903 over Duck River in Maury County, Tennessee. It was built in 1925, so it is 100 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 820 vehicles a day, roughly 3% of them trucks, projected to reach 1,366 by 2041. The structure is 343 ft (104.5 m) long and 18 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1903
CrossesDuck River
Location4 M E of Columbia
RouteCounty Highway 1903
Coordinates35.59738, -86.95865
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
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
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 rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length343 ft (104.5 m)
Longest span107 ft (32.6 m)
Deck width18 ft (5.4 m)
Roadway width15 ft (4.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic820 (2021)
Projected traffic1,366 by 2041
Trucks3%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 with deck rehabilitation or replacement
Estimated improvement cost$1.8 million (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1903 over Duck River built?

It was built in 1925, making it 100 years old in 2025.

What condition is Nfa 1903 over Duck 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 May 2024.

How much traffic does Nfa 1903 over Duck River carry?

About 820 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1903 over Duck River?

The structure is 343 ft (104.5 m) long with a longest span of 107 ft (32.6 m) and a deck 18 ft wide.

Who owns Nfa 1903 over Duck River?

It is owned by the County Highway Agency.