US Bridges

US 45 over Sand Hill Creek

Fair

Mobile County, Alabama · 1.2 MI S CO RD 92 · Structure no. 015707

Built
1993
32 years old
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
81 ft
4 main spans
Daily traffic
7,480
2023 count
Owner
State
State Highway Agency

About this bridge

US 45 over Sand Hill Creek is a concrete culvert carrying US 45 over Sand Hill Creek in Mobile County, Alabama. It was built in 1993, so it is 32 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 7,480 vehicles a day, roughly 8% of them trucks, projected to reach 11,220 by 2043. The structure is 81 ft (24.7 m) long. If it were closed, the detour would be 21.1 mi (34 km).

CarriesUS 45
CrossesSand Hill Creek
Location1.2 MI S CO RD 92
RouteU.S. Route 45
StateAlabama
Coordinates30.97899, -88.23911
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating68.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,480 (2023)
Projected traffic11,220 by 2043
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed21.1 mi (34 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 US 45 over Sand Hill Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is US 45 over Sand Hill Creek 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 September 2024.

How much traffic does US 45 over Sand Hill Creek carry?

About 7,480 vehicles per day (2023 count), of which roughly 8% are trucks.

How long is US 45 over Sand Hill Creek?

The structure is 81 ft (24.7 m) long with a longest span of 14 ft (4.3 m).

Who owns US 45 over Sand Hill Creek?

It is owned by the State Highway Agency.