US Bridges

Al 605 over Harrison Mill Creek

Fair

Dale County, Alabama · 150 North of Dale CO 10 · Structure no. 004897

Built
1954
71 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
42 ft
4 main spans
Daily traffic
2,971
2013 count
Owner
State
State Highway Agency

About this bridge

Al 605 over Harrison Mill Creek is a concrete culvert carrying Al 605 over Harrison Mill Creek in Dale County, Alabama. It was built in 1954, so it is 71 years old, older 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 2,971 vehicles a day, roughly 4% of them trucks, projected to reach 3,625 by 2033. The structure is 42 ft (12.8 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesAl 605
CrossesHarrison Mill Creek
Location150 North of Dale CO 10
RouteState Highway 605
CountyDale County
StateAlabama
Coordinates31.28981, -85.48843
Functional classRural Major Collector

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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45.2 US tons
Inventory rating27.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,971 (2013)
Projected traffic3,625 by 2033
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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$385,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Al 605 over Harrison Mill Creek built?

It was built in 1954, making it 71 years old in 2025.

What condition is Al 605 over Harrison Mill 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 December 2023.

How much traffic does Al 605 over Harrison Mill Creek carry?

About 2,971 vehicles per day (2013 count), of which roughly 4% are trucks.

How long is Al 605 over Harrison Mill Creek?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m).

Who owns Al 605 over Harrison Mill Creek?

It is owned by the State Highway Agency.