US Bridges

Nfa 1979 (sa 5225) over W F Mulberry Creek

Fair

Lincoln County, Tennessee · 2.5 M. N. Mulberry. · Structure no. 52019790003

Built
1950
75 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
96 ft
3 main spans
Daily traffic
273
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1979 (sa 5225) over W F Mulberry Creek is a steel stringer/multi-beam or girder carrying Nfa 1979 (sa 5225) over W F Mulberry Creek in Lincoln 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 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 273 vehicles a day, roughly 3% of them trucks, projected to reach 480 by 2039. The structure is 96 ft (29.4 m) long and 22 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa 1979 (sa 5225)
CrossesW F Mulberry Creek
Location2.5 M. N. Mulberry.
RouteCounty Highway 1979
CountyLincoln County
StateTennessee
Coordinates35.25086, -86.45969
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length96 ft (29.4 m)
Longest span31 ft (9.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic273 (2021)
Projected traffic480 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$298,000 (2019 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1979 (sa 5225) over W F Mulberry Creek built?

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

What condition is Nfa 1979 (sa 5225) over W F Mulberry 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 September 2023.

How much traffic does Nfa 1979 (sa 5225) over W F Mulberry Creek carry?

About 273 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1979 (sa 5225) over W F Mulberry Creek?

The structure is 96 ft (29.4 m) long with a longest span of 31 ft (9.4 m) and a deck 22 ft wide.

Who owns Nfa 1979 (sa 5225) over W F Mulberry Creek?

It is owned by the County Highway Agency.