US Bridges

_shalerock Drive over _

Good

Limestone County, Alabama · _ · Structure no. 021420

Built
2018
7 years old
Condition
Good
inspected December 2024
Type
Culvert
Concrete
Length
44 ft
4 main spans
Daily traffic
100
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

_shalerock Drive over _ is a concrete culvert carrying _shalerock Drive over _ in Limestone County, Alabama. It was built in 2018, so it is 7 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 10% of them trucks, projected to reach 200 by 2035. The structure is 44 ft (13.4 m) long and 53 ft wide.

Carries_shalerock Drive
Crosses_
Location_
RouteCity Street 0
StateAlabama
Coordinates34.70686, -86.82193
Functional classUrban Collector

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 protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating42.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length44 ft (13.4 m)
Longest span10 ft (3 m)
Deck width53 ft (16.2 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2018)
Projected traffic200 by 2035
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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$679,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was _shalerock Drive over _ built?

It was built in 2018, making it 7 years old in 2025.

What condition is _shalerock Drive over _ 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 December 2024.

How much traffic does _shalerock Drive over _ carry?

About 100 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is _shalerock Drive over _?

The structure is 44 ft (13.4 m) long with a longest span of 10 ft (3 m) and a deck 53 ft wide.

Who owns _shalerock Drive over _?

It is owned by the City or Municipal Highway Agency.