US Bridges

Upper River Road over Cotaco Creek

Good

Morgan County, Alabama · 1 MI West SR 36 · Structure no. 019240

Built
2006
19 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
420 ft
5 main spans
Daily traffic
1,640
2004 count
Owner
County
County Highway Agency

About this bridge

Upper River Road over Cotaco Creek is a prestressed concrete stringer/multi-beam or girder carrying Upper River Road over Cotaco Creek in Morgan County, Alabama. It was built in 2006, so it is 19 years old, younger 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 1,640 vehicles a day, roughly 5% of them trucks, projected to reach 3,628 by 2044. The structure is 420 ft (128 m) long and 31 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesUpper River Road
CrossesCotaco Creek
Location1 MI West SR 36
RouteCounty Highway 1356
StateAlabama
Coordinates34.49632, -86.71685
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating68.1 US tons
Inventory rating40.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length420 ft (128 m)
Longest span100 ft (30.5 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,640 (2004)
Projected traffic3,628 by 2044
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 proposedNone recorded
Estimated improvement cost$3.2 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Upper River Road over Cotaco Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Upper River Road over Cotaco 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 June 2024.

How much traffic does Upper River Road over Cotaco Creek carry?

About 1,640 vehicles per day (2004 count), of which roughly 5% are trucks.

How long is Upper River Road over Cotaco Creek?

The structure is 420 ft (128 m) long with a longest span of 100 ft (30.5 m) and a deck 31 ft wide.

Who owns Upper River Road over Cotaco Creek?

It is owned by the County Highway Agency.