US Bridges

Robertson Road over Dunns Creek

Good

Tuscaloosa County, Alabama · 2.7 Miles W Boyd Road · Structure no. 018763

Built
2002
23 years old
Condition
Good
inspected June 2024
Type
Channel Beam
Concrete
Length
34 ft
1 main span
Daily traffic
50
2008 count
Owner
County
County Highway Agency

About this bridge

Robertson Road over Dunns Creek is a concrete channel beam carrying Robertson Road over Dunns Creek in Tuscaloosa County, Alabama. It was built in 2002, so it is 23 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 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 50 vehicles a day, projected to reach 75 by 2034. The structure is 34 ft (10.4 m) long and 31 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesRobertson Road
CrossesDunns Creek
Location2.7 Miles W Boyd Road
RouteCounty Highway 88
StateAlabama
Coordinates33.38989, -87.82223
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating81.7 US tons
Inventory rating49.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length34 ft (10.4 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2008)
Projected traffic75 by 2034
Trucks0%
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 proposedNone recorded
Estimated improvement cost$386,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Robertson Road over Dunns Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Robertson Road over Dunns 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 Robertson Road over Dunns Creek carry?

About 50 vehicles per day (2008 count).

How long is Robertson Road over Dunns Creek?

The structure is 34 ft (10.4 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Robertson Road over Dunns Creek?

It is owned by the County Highway Agency.