US Bridges

County Road 47 over Harrison Mill Creek

Good

Dale County, Alabama · SEC-1 T-3-N R-25-E · Structure no. 004072

Built
1951
74 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
64 ft
5 main spans
Daily traffic
298
2006 count
Owner
County
County Highway Agency

About this bridge

County Road 47 over Harrison Mill Creek is a concrete culvert carrying County Road 47 over Harrison Mill Creek in Dale County, Alabama. It was built in 1951, so it is 74 years old, older 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 298 vehicles a day, roughly 9% of them trucks, projected to reach 443 by 2030. The structure is 64 ft (19.5 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty Road 47
CrossesHarrison Mill Creek
LocationSEC-1 T-3-N R-25-E
RouteCounty Highway 47
CountyDale County
StateAlabama
Coordinates31.26934, -85.50118
Functional classRural Major Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.9 US tons
Inventory rating26.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans5
Design loadH 15
Structure length64 ft (19.5 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic298 (2006)
Projected traffic443 by 2030
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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$513,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 47 over Harrison Mill Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is County Road 47 over Harrison Mill 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 February 2025.

How much traffic does County Road 47 over Harrison Mill Creek carry?

About 298 vehicles per day (2006 count), of which roughly 9% are trucks.

How long is County Road 47 over Harrison Mill Creek?

The structure is 64 ft (19.5 m) long with a longest span of 12 ft (3.7 m).

Who owns County Road 47 over Harrison Mill Creek?

It is owned by the County Highway Agency.