US Bridges

Nfa M091 over Johns Creek

Good

Shelby County, Tennessee · Mineral Wells R-Shelby CO · Structure no. 790G2410001

Built
1999
26 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
31 ft
2 main spans
Daily traffic
970
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa M091 over Johns Creek is a concrete continuous culvert carrying Nfa M091 over Johns Creek in Shelby County, Tennessee. It was built in 1999, so it is 26 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 970 vehicles a day, roughly 2% of them trucks, projected to reach 1,552 by 2041. The structure is 31 ft (9.4 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesNfa M091
CrossesJohns Creek
LocationMineral Wells R-Shelby CO
RouteCounty Highway 91
Coordinates34.99676, -89.85953
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic970 (2020)
Projected traffic1,552 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 M091 over Johns Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Nfa M091 over Johns 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 March 2023.

How much traffic does Nfa M091 over Johns Creek carry?

About 970 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa M091 over Johns Creek?

The structure is 31 ft (9.4 m) long with a longest span of 14 ft (4.3 m).

Who owns Nfa M091 over Johns Creek?

It is owned by the County Highway Agency.