US Bridges

Hemphill Road over Outlet from Big Lake

Good

Tuscaloosa County, Alabama · 3 Mi. SE of Old Lock 9 RD · Structure no. 020654

Built
2012
13 years old
Condition
Good
inspected July 2024
Type
Channel Beam
Concrete
Length
68 ft
2 main spans
Daily traffic
10
2011 count
Owner
County
County Highway Agency

About this bridge

Hemphill Road over Outlet from Big Lake is a concrete channel beam carrying Hemphill Road over Outlet from Big Lake in Tuscaloosa County, Alabama. It was built in 2012, so it is 13 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 10 vehicles a day, projected to reach 10 by 2036. The structure is 68 ft (20.7 m) long and 31 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesHemphill Road
CrossesOutlet from Big Lake
Location3 Mi. SE of Old Lock 9 RD
RouteCounty Highway 401
CountyTuscaloosa County
StateAlabama
Coordinates33.04375, -87.65397
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 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 alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating47.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length68 ft (20.7 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2011)
Projected traffic10 by 2036
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$642,000 (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Hemphill Road over Outlet from Big Lake built?

It was built in 2012, making it 13 years old in 2025.

What condition is Hemphill Road over Outlet from Big Lake 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 July 2024.

How much traffic does Hemphill Road over Outlet from Big Lake carry?

About 10 vehicles per day (2011 count).

How long is Hemphill Road over Outlet from Big Lake?

The structure is 68 ft (20.7 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Hemphill Road over Outlet from Big Lake?

It is owned by the County Highway Agency.