US Bridges

SR 21 over Robinson Creek Rel.

Good

Monroe County, Alabama · 3.2 Mi. S. of Beatrice · Structure no. 014547

Built
1988
37 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
328 ft
8 main spans
Daily traffic
1,940
2013 count
Owner
State
State Highway Agency

About this bridge

SR 21 over Robinson Creek Rel. is a prestressed concrete continuous stringer/multi-beam or girder carrying SR 21 over Robinson Creek Rel. in Monroe County, Alabama. It was built in 1988, so it is 37 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 1,940 vehicles a day, roughly 23% of them trucks, projected to reach 2,419 by 2033. The structure is 328 ft (100 m) long and 41 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesSR 21
CrossesRobinson Creek Rel.
Location3.2 Mi. S. of Beatrice
RouteState Highway 21
StateAlabama
Coordinates31.68481, -87.21771
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.7 US tons
Inventory rating34 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans8
Design loadHS 20
Structure length328 ft (100 m)
Longest span41 ft (12.5 m)
Deck width41 ft (12.6 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,940 (2013)
Projected traffic2,419 by 2033
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost$3.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 21 over Robinson Creek Rel. built?

It was built in 1988, making it 37 years old in 2025.

What condition is SR 21 over Robinson Creek Rel. 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 October 2023.

How much traffic does SR 21 over Robinson Creek Rel. carry?

About 1,940 vehicles per day (2013 count), of which roughly 23% are trucks.

How long is SR 21 over Robinson Creek Rel.?

The structure is 328 ft (100 m) long with a longest span of 41 ft (12.5 m) and a deck 41 ft wide.

Who owns SR 21 over Robinson Creek Rel.?

It is owned by the State Highway Agency.