US Bridges

Old Highway 20 over Limestone Creek

Good

Limestone County, Alabama · Sec 20 T4S R3W · Structure no. 019352

Built
2005
20 years old
Condition
Good
inspected May 2023
Type
Channel Beam
Concrete
Length
280 ft
7 main spans
Daily traffic
1,165
2009 count
Owner
County
County Highway Agency

About this bridge

Old Highway 20 over Limestone Creek is a concrete channel beam carrying Old Highway 20 over Limestone Creek in Limestone County, Alabama. It was built in 2005, so it is 20 years old, younger 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 1,165 vehicles a day, roughly 4% of them trucks, projected to reach 1,730 by 2029. The structure is 280 ft (85.3 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesOld Highway 20
CrossesLimestone Creek
LocationSec 20 T4S R3W
RouteCounty Highway 10
CountyLimestone County
StateAlabama
Coordinates34.67139, -86.86501
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating65.5 US tons
Inventory rating39.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans7
Design loadHS 20
Structure length280 ft (85.3 m)
Longest span40 ft (12.2 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,165 (2009)
Projected traffic1,730 by 2029
Trucks4%
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$2.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Old Highway 20 over Limestone Creek built?

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

What condition is Old Highway 20 over Limestone 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 Old Highway 20 over Limestone Creek carry?

About 1,165 vehicles per day (2009 count), of which roughly 4% are trucks.

How long is Old Highway 20 over Limestone Creek?

The structure is 280 ft (85.3 m) long with a longest span of 40 ft (12.2 m) and a deck 30 ft wide.

Who owns Old Highway 20 over Limestone Creek?

It is owned by the County Highway Agency.