US Bridges

E Lamar Ave over Throckmorton Branch

Fair

Colbert County, Alabama · Lamar Av @ Re Thompson Sc · Structure no. 011384

Built
1975
50 years old
Condition
Fair
inspected August 2024
Type
Culvert
Concrete
Length
30 ft
4 main spans
Daily traffic
600
1990 count
Owner
City
City or Municipal Highway Agency

About this bridge

E Lamar Ave over Throckmorton Branch is a concrete culvert carrying E Lamar Ave over Throckmorton Branch in Colbert County, Alabama. It was built in 1975, so it is 50 years old, younger than the Alabama average of 51.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 600 vehicles a day, roughly 2% of them trucks, projected to reach 1,100 by 2044. The structure is 30 ft (9.1 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesE Lamar Ave
CrossesThrockmorton Branch
LocationLamar Av @ Re Thompson Sc
RouteCity Street 0
CountyColbert County
StateAlabama
Coordinates34.7215, -87.7169
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 15
Structure length30 ft (9.1 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (1990)
Projected traffic1,100 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$402,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was E Lamar Ave over Throckmorton Branch built?

It was built in 1975, making it 50 years old in 2025.

What condition is E Lamar Ave over Throckmorton Branch in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in August 2024.

How much traffic does E Lamar Ave over Throckmorton Branch carry?

About 600 vehicles per day (1990 count), of which roughly 2% are trucks.

How long is E Lamar Ave over Throckmorton Branch?

The structure is 30 ft (9.1 m) long with a longest span of 6 ft (1.8 m).

Who owns E Lamar Ave over Throckmorton Branch?

It is owned by the City or Municipal Highway Agency.