US Bridges

Red Rock RD over Greenhill Branch

Fair

Colbert County, Alabama · Red Rock N of Patrick LN · Structure no. 013025

Built
1983
42 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
454
2006 count
Owner
County
County Highway Agency

About this bridge

Red Rock RD over Greenhill Branch is a concrete channel beam carrying Red Rock RD over Greenhill Branch in Colbert County, Alabama. It was built in 1983, so it is 42 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 454 vehicles a day, roughly 10% of them trucks, projected to reach 1,000 by 2044. The structure is 34 ft (10.4 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRed Rock RD
CrossesGreenhill Branch
LocationRed Rock N of Patrick LN
RouteCounty Highway 49
CountyColbert County
StateAlabama
Coordinates34.71029, -87.86429
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating56.5 US tons
Inventory rating34 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic454 (2006)
Projected traffic1,000 by 2044
Trucks10%
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 proposedNone recorded
Estimated improvement cost$387,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Red Rock RD over Greenhill Branch built?

It was built in 1983, making it 42 years old in 2025.

What condition is Red Rock RD over Greenhill Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2024.

How much traffic does Red Rock RD over Greenhill Branch carry?

About 454 vehicles per day (2006 count), of which roughly 10% are trucks.

How long is Red Rock RD over Greenhill Branch?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Red Rock RD over Greenhill Branch?

It is owned by the County Highway Agency.