US Bridges

Mooresville RD over Johnson Br

Good

Limestone County, Alabama · SEC8 T3S R3W · Structure no. 003822

Built
1950
75 years old
Condition
Good
inspected January 2025
Type
Culvert
Concrete
Length
33 ft
3 main spans
Daily traffic
1,600
2005 count
Owner
County
County Highway Agency

About this bridge

Mooresville RD over Johnson Br is a concrete culvert carrying Mooresville RD over Johnson Br in Limestone County, Alabama. It was built in 1950, so it is 75 years old, older than the Alabama average of 51.1 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 1,600 vehicles a day, roughly 1% of them trucks, projected to reach 2,400 by 2028. The structure is 33 ft (10.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesMooresville RD
CrossesJohnson Br
LocationSEC8 T3S R3W
RouteCounty Highway 71
CountyLimestone County
StateAlabama
Coordinates34.79727, -86.87745
Functional classRural Major Collector

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 inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating40.3 US tons
Inventory rating24.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadH 15
Structure length33 ft (10.1 m)
Longest span10 ft (3 m)
Deck width30 ft (9.1 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,600 (2005)
Projected traffic2,400 by 2028
Trucks1%
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 statusNot eligible for the National Register of Historic Places
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$320,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mooresville RD over Johnson Br built?

It was built in 1950, making it 75 years old in 2025.

What condition is Mooresville RD over Johnson Br 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 January 2025.

How much traffic does Mooresville RD over Johnson Br carry?

About 1,600 vehicles per day (2005 count), of which roughly 1% are trucks.

How long is Mooresville RD over Johnson Br?

The structure is 33 ft (10.1 m) long with a longest span of 10 ft (3 m) and a deck 30 ft wide.

Who owns Mooresville RD over Johnson Br?

It is owned by the County Highway Agency.