US Bridges

Nfa A155 (sa 4927) over Mill Creek

Good

Lauderdale County, Tennessee · 2 Mi. N. of Halls · Structure no. 490A1550001

Built
1989
36 years old
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
117 ft
3 main spans
Daily traffic
220
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A155 (sa 4927) over Mill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A155 (sa 4927) over Mill Creek in Lauderdale County, Tennessee. It was built in 1989, so it is 36 years old, younger than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 220 vehicles a day, roughly 2% of them trucks, projected to reach 352 by 2042. The structure is 117 ft (35.7 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesNfa A155 (sa 4927)
CrossesMill Creek
Location2 Mi. N. of Halls
RouteCounty Highway 155
CountyLauderdale County
StateTennessee
Coordinates35.91511, -89.39811
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.6 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length117 ft (35.7 m)
Longest span39 ft (11.9 m)
Deck width24 ft (7.3 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2020)
Projected traffic352 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$778,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A155 (sa 4927) over Mill Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is Nfa A155 (sa 4927) over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in December 2023.

How much traffic does Nfa A155 (sa 4927) over Mill Creek carry?

About 220 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A155 (sa 4927) over Mill Creek?

The structure is 117 ft (35.7 m) long with a longest span of 39 ft (11.9 m) and a deck 24 ft wide.

Who owns Nfa A155 (sa 4927) over Mill Creek?

It is owned by the County Highway Agency.