US Bridges

CO.RT.16 over Kirby Branch

Fair

Jackson County, Alabama · 0.8 MI.SE.AL.71 · Structure no. 001093

Built
1934
91 years old
Condition
Fair
inspected September 2024
Type
Tee Beam
Concrete
Length
60 ft
2 main spans
Daily traffic
300
1989 count
Owner
County
County Highway Agency

About this bridge

CO.RT.16 over Kirby Branch is a concrete tee beam carrying CO.RT.16 over Kirby Branch in Jackson County, Alabama. It was built in 1934, so it is 91 years old, older 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 5 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 300 vehicles a day, roughly 4% of them trucks, projected to reach 382 by 2040. The structure is 60 ft (18.3 m) long and 23 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesCO.RT.16
CrossesKirby Branch
Location0.8 MI.SE.AL.71
RouteCounty Highway 16
CountyJackson County
StateAlabama
Coordinates34.60953, -85.89807
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width23 ft (7.1 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (1989)
Projected traffic382 by 2040
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$441,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was CO.RT.16 over Kirby Branch built?

It was built in 1934, making it 91 years old in 2025.

What condition is CO.RT.16 over Kirby 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 September 2024.

How much traffic does CO.RT.16 over Kirby Branch carry?

About 300 vehicles per day (1989 count), of which roughly 4% are trucks.

How long is CO.RT.16 over Kirby Branch?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 23 ft wide.

Who owns CO.RT.16 over Kirby Branch?

It is owned by the County Highway Agency.