US Bridges

Mastin Lake RD over Trib to Pinhook Creek

Good

Madison County, Alabama · 803 Mastin Lake Road · Structure no. 019347

Built
2004
21 years old
Condition
Good
inspected February 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
6,700
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mastin Lake RD over Trib to Pinhook Creek is a concrete culvert carrying Mastin Lake RD over Trib to Pinhook Creek in Madison County, Alabama. It was built in 2004, so it is 21 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 6,700 vehicles a day, roughly 2% of them trucks, projected to reach 13,132 by 2044. The structure is 25 ft (7.5 m) long and 74 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesMastin Lake RD
CrossesTrib to Pinhook Creek
Location803 Mastin Lake Road
RouteCity Street 0
StateAlabama
Coordinates34.76667, -86.58167
Functional classUrban 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating98 US tons
Inventory rating65.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length25 ft (7.5 m)
Longest span12 ft (3.7 m)
Deck width74 ft (22.6 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2024)
Projected traffic13,132 by 2044
Trucks2%
Lanes on structure3
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 proposedNone recorded
Estimated improvement cost$655,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mastin Lake RD over Trib to Pinhook Creek built?

It was built in 2004, making it 21 years old in 2025.

What condition is Mastin Lake RD over Trib to Pinhook 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 February 2024.

How much traffic does Mastin Lake RD over Trib to Pinhook Creek carry?

About 6,700 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Mastin Lake RD over Trib to Pinhook Creek?

The structure is 25 ft (7.5 m) long with a longest span of 12 ft (3.7 m) and a deck 74 ft wide.

Who owns Mastin Lake RD over Trib to Pinhook Creek?

It is owned by the City or Municipal Highway Agency.