US Bridges

Nfa C108 over Big Creek

Good

Shelby County, Tennessee · Ward RD - Shelby CO · Structure no. 790A0440001

Built
2016
9 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
212 ft
3 main spans
Daily traffic
280
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa C108 over Big Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa C108 over Big Creek in Shelby County, Tennessee. It was built in 2016, so it is 9 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 280 vehicles a day, roughly 2% of them trucks, projected to reach 448 by 2041. The structure is 212 ft (64.6 m) long and 40 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNfa C108
CrossesBig Creek
LocationWard RD - Shelby CO
RouteCounty Highway 108
CountyShelby County
StateTennessee
Coordinates35.31586, -89.97439
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length212 ft (64.6 m)
Longest span80 ft (24.4 m)
Deck width40 ft (12.2 m)
Roadway width38 ft (11.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic280 (2020)
Projected traffic448 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa C108 over Big Creek built?

It was built in 2016, making it 9 years old in 2025.

What condition is Nfa C108 over Big 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 May 2023.

How much traffic does Nfa C108 over Big Creek carry?

About 280 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa C108 over Big Creek?

The structure is 212 ft (64.6 m) long with a longest span of 80 ft (24.4 m) and a deck 40 ft wide.

Who owns Nfa C108 over Big Creek?

It is owned by the County Highway Agency.