US Bridges

Nfa B175 over Lamb Road / Murrell CR

Good

Franklin County, Tennessee · North of SR50 · Structure no. 260A7350001

Built
2011
14 years old
Condition
Good
inspected September 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
10
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa B175 over Lamb Road / Murrell CR is a prestressed concrete box beam or girders - single or spread carrying Nfa B175 over Lamb Road / Murrell CR in Franklin County, Tennessee. It was built in 2011, so it is 14 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 10 vehicles a day, roughly 2% of them trucks, projected to reach 16 by 2041. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesNfa B175
CrossesLamb Road / Murrell CR
LocationNorth of SR50
RouteCounty Highway 175
CountyFranklin County
StateTennessee
Coordinates35.18042, -86.26625
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.
Superstructure7 GoodSome minor problems.
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 evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length44 ft (13.4 m)
Longest span44 ft (13.4 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2020)
Projected traffic16 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B175 over Lamb Road / Murrell CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is Nfa B175 over Lamb Road / Murrell CR 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 September 2023.

How much traffic does Nfa B175 over Lamb Road / Murrell CR carry?

About 10 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa B175 over Lamb Road / Murrell CR?

The structure is 44 ft (13.4 m) long with a longest span of 44 ft (13.4 m) and a deck 24 ft wide.

Who owns Nfa B175 over Lamb Road / Murrell CR?

It is owned by the County Highway Agency.