US Bridges

Snow Road N over Hamilton Creek

Fair

Mobile County, Alabama · 1.2 MI N CO RD 70 · Structure no. 012527

Built
1981
44 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
192 ft
8 main spans
Daily traffic
9,432
2024 count
Owner
County
County Highway Agency

About this bridge

Snow Road N over Hamilton Creek is a concrete channel beam carrying Snow Road N over Hamilton Creek in Mobile County, Alabama. It was built in 1981, so it is 44 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 9,432 vehicles a day, roughly 9% of them trucks, projected to reach 14,015 by 2044. The structure is 192 ft (58.5 m) long and 28 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesSnow Road N
CrossesHamilton Creek
Location1.2 MI N CO RD 70
RouteCounty Highway 0
CountyMobile County
StateAlabama
Coordinates30.72515, -88.27618
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating67.9 US tons
Inventory rating40.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans8
Design loadHS 20
Structure length192 ft (58.5 m)
Longest span24 ft (7.3 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,432 (2024)
Projected traffic14,015 by 2044
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Snow Road N over Hamilton Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Snow Road N over Hamilton 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 August 2024.

How much traffic does Snow Road N over Hamilton Creek carry?

About 9,432 vehicles per day (2024 count), of which roughly 9% are trucks.

How long is Snow Road N over Hamilton Creek?

The structure is 192 ft (58.5 m) long with a longest span of 24 ft (7.3 m) and a deck 28 ft wide.

Who owns Snow Road N over Hamilton Creek?

It is owned by the County Highway Agency.