US Bridges

Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40

Good

Cumberland County, Tennessee · Plateau RD / I-40 WB · Structure no. 18I00400059

Built
2005
20 years old
Condition
Good
inspected October 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
217 ft
3 main spans
Daily traffic
1,123
2021 count
Owner
State
State Highway Agency

About this bridge

Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40 is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40 in Cumberland County, Tennessee. It was built in 2005, so it is 20 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 1,123 vehicles a day, roughly 3% of them trucks, projected to reach 1,771 by 2041. The structure is 217 ft (66.1 m) long and 50 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesNfa 1174 (sa 1818)
CrossesNfa 1174 / Wbl I40
LocationPlateau RD / I-40 WB
RouteCounty Highway 1174
CountyCumberland County
StateTennessee
Coordinates36.04977, -85.14865
Functional classRural Minor Collector

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.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating22.8 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span118 ft (36 m)
Deck width50 ft (15.2 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,123 (2021)
Projected traffic1,771 by 2041
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40 built?

It was built in 2005, making it 20 years old in 2025.

What condition is Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40 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 October 2023.

How much traffic does Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40 carry?

About 1,123 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40?

The structure is 217 ft (66.1 m) long with a longest span of 118 ft (36 m) and a deck 50 ft wide.

Who owns Nfa 1174 (sa 1818) over Nfa 1174 / Wbl I40?

It is owned by the State Highway Agency.