US Bridges

CR18W Harold Culp over Branch of Poly Crk

Good

Chilton County, Alabama · CR18W 1 MI NE Highland Ch · Structure no. 016506

Built
1971
54 years old, rebuilt 1993
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
68 ft
3 main spans
Daily traffic
200
1999 count
Owner
County
County Highway Agency

About this bridge

CR18W Harold Culp over Branch of Poly Crk is a concrete culvert carrying CR18W Harold Culp over Branch of Poly Crk in Chilton County, Alabama. It was built in 1971 and reconstructed in 1993, so it is 54 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 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 200 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2029. The structure is 68 ft (20.6 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR18W Harold Culp
CrossesBranch of Poly Crk
LocationCR18W 1 MI NE Highland Ch
RouteCounty Highway 0
CountyChilton County
StateAlabama
Coordinates32.81502, -86.66611
Functional classRural Local

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.
Culvert8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70.7 US tons
Inventory rating42.4 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadUnknown
Structure length68 ft (20.6 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 traffic200 (1999)
Projected traffic300 by 2029
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollToll bridge segment under Secretarial agreement
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$807,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR18W Harold Culp over Branch of Poly Crk built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 1993.

What condition is CR18W Harold Culp over Branch of Poly Crk 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 2024.

How much traffic does CR18W Harold Culp over Branch of Poly Crk carry?

About 200 vehicles per day (1999 count), of which roughly 1% are trucks.

How long is CR18W Harold Culp over Branch of Poly Crk?

The structure is 68 ft (20.6 m) long with a longest span of 10 ft (3 m).

Who owns CR18W Harold Culp over Branch of Poly Crk?

It is owned by the County Highway Agency.