US Bridges

Mastin Lake RD over Pinhook Creek

Fair

Madison County, Alabama · 1005 Mastin Lake RD · Structure no. 001339

Built
1994
31 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete
Length
39 ft
3 main spans
Daily traffic
6,700
2017 count
Owner
City
City or Municipal Highway Agency

About this bridge

Mastin Lake RD over Pinhook Creek is a concrete culvert carrying Mastin Lake RD over Pinhook Creek in Madison County, Alabama. It was built in 1994, so it is 31 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 6,700 vehicles a day, roughly 1% of them trucks, projected to reach 12,750 by 2043. The structure is 39 ft (11.9 m) long and 65 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesMastin Lake RD
CrossesPinhook Creek
Location1005 Mastin Lake RD
RouteCity Street 0
CountyMadison County
StateAlabama
Coordinates34.77, -86.58333
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 rating76.3 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length39 ft (11.9 m)
Longest span13 ft (4 m)
Deck width65 ft (19.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,700 (2017)
Projected traffic12,750 by 2043
Trucks1%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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$792,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mastin Lake RD over Pinhook Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is Mastin Lake RD over Pinhook Creek 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 March 2023.

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

About 6,700 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is Mastin Lake RD over Pinhook Creek?

The structure is 39 ft (11.9 m) long with a longest span of 13 ft (4 m) and a deck 65 ft wide.

Who owns Mastin Lake RD over Pinhook Creek?

It is owned by the City or Municipal Highway Agency.