US Bridges

Nfa A012 (sa 3605) over Dollar Creek

Fair

Hardin County, Tennessee · Old Morris Chapel RD · Structure no. 360A0120001

Built
1950
75 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
40 ft
2 main spans
Daily traffic
630
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Nfa A012 (sa 3605) over Dollar Creek is a steel continuous stringer/multi-beam or girder carrying Nfa A012 (sa 3605) over Dollar Creek in Hardin 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. Its operating status is: open, posting recommended but not legally implemented.

It carries about 630 vehicles a day, roughly 2% of them trucks, projected to reach 1,008 by 2041. The structure is 40 ft (12.1 m) long and 24 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesNfa A012 (sa 3605)
CrossesDollar Creek
LocationOld Morris Chapel RD
RouteCity Street 12
Coordinates35.24125, -88.35336
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, posting recommended but not legally implemented
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating23.8 US tons
Inventory rating17.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length40 ft (12.1 m)
Longest span22 ft (6.6 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic630 (2020)
Projected traffic1,008 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$595,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A012 (sa 3605) over Dollar Creek built?

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

What condition is Nfa A012 (sa 3605) over Dollar 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 March 2024.

How much traffic does Nfa A012 (sa 3605) over Dollar Creek carry?

About 630 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A012 (sa 3605) over Dollar Creek?

The structure is 40 ft (12.1 m) long with a longest span of 22 ft (6.6 m) and a deck 24 ft wide.

Who owns Nfa A012 (sa 3605) over Dollar Creek?

It is owned by the City or Municipal Highway Agency.