US Bridges

SR 91 over Dorsey Creek

Poor

Cullman County, Alabama · 7 MI N JCT SR 69 · Structure no. 010781

Built
1972
53 years old
Condition
Poor
inspected April 2023
Type
Channel Beam
Concrete
Length
136 ft
4 main spans
Daily traffic
713
2023 count
Owner
State
State Highway Agency

About this bridge

SR 91 over Dorsey Creek is a concrete channel beam carrying SR 91 over Dorsey Creek in Cullman County, Alabama. It was built in 1972, so it is 53 years old, older than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: open, would be posted or closed except for temporary shoring.

It carries about 713 vehicles a day, roughly 8% of them trucks, projected to reach 998 by 2043. The structure is 136 ft (41.5 m) long and 30 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesSR 91
CrossesDorsey Creek
Location7 MI N JCT SR 69
RouteState Highway 91
StateAlabama
Coordinates33.89456, -86.97764
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, would be posted or closed except for temporary shoring
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating52.1 US tons
Inventory rating31.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans4
Design loadH 15
Structure length136 ft (41.5 m)
Longest span34 ft (10.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic713 (2023)
Projected traffic998 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR 91 over Dorsey Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is SR 91 over Dorsey Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2023.

How much traffic does SR 91 over Dorsey Creek carry?

About 713 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is SR 91 over Dorsey Creek?

The structure is 136 ft (41.5 m) long with a longest span of 34 ft (10.4 m) and a deck 30 ft wide.

Who owns SR 91 over Dorsey Creek?

It is owned by the State Highway Agency.