US Bridges

SR-17 (US-45) over Bennetts Creek

Good

Mobile County, Alabama · _ · Structure no. 021473

Built
2023
2 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
180 ft
3 main spans
Daily traffic
5,602
2021 count
Owner
State
State Highway Agency

About this bridge

SR-17 (US-45) over Bennetts Creek is a prestressed concrete stringer/multi-beam or girder carrying SR-17 (US-45) over Bennetts Creek in Mobile County, Alabama. It was built in 2023, so it is 2 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 5,602 vehicles a day, roughly 14% of them trucks, projected to reach 8,403 by 2041. The structure is 180 ft (54.9 m) long and 46 ft wide. If it were closed, the detour would be 44.1 mi (71 km).

Location

Open in Google Maps
CarriesSR-17 (US-45)
CrossesBennetts Creek
Location_
RouteU.S. Route 45
CountyMobile County
StateAlabama
Coordinates31.14097, -88.25628
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.8 US tons
Inventory rating66.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length180 ft (54.9 m)
Longest span60 ft (18.3 m)
Deck width46 ft (14.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,602 (2021)
Projected traffic8,403 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed44.1 mi (71 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkNon-Interstate STRAHNET route

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$2.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was SR-17 (US-45) over Bennetts Creek built?

It was built in 2023, making it 2 years old in 2025.

What condition is SR-17 (US-45) over Bennetts 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 SR-17 (US-45) over Bennetts Creek carry?

About 5,602 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is SR-17 (US-45) over Bennetts Creek?

The structure is 180 ft (54.9 m) long with a longest span of 60 ft (18.3 m) and a deck 46 ft wide.

Who owns SR-17 (US-45) over Bennetts Creek?

It is owned by the State Highway Agency.