US Bridges

Joan Harris RD over Bull Branch

Fair

Mobile County, Alabama · 2.2 MI S County RD 96 · Structure no. 011587

Built
1976
49 years old, rebuilt 1991
Condition
Fair
inspected November 2024
Type
Culvert
Concrete
Length
31 ft
4 main spans
Daily traffic
16
2024 count
Owner
County
County Highway Agency

About this bridge

Joan Harris RD over Bull Branch is a concrete culvert carrying Joan Harris RD over Bull Branch in Mobile County, Alabama. It was built in 1976 and reconstructed in 1991, so it is 49 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 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 16 vehicles a day, roughly 1% of them trucks, projected to reach 24 by 2044. The structure is 31 ft (9.4 m) long and 33 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

CarriesJoan Harris RD
CrossesBull Branch
Location2.2 MI S County RD 96
RouteCounty Highway 0
StateAlabama
Coordinates31.07349, -88.04722
Functional classRural 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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadH 20
Structure length31 ft (9.4 m)
Longest span6 ft (1.9 m)
Deck width33 ft (10.1 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16 (2024)
Projected traffic24 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.2 mi (158 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$307,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Joan Harris RD over Bull Branch built?

It was built in 1976, making it 49 years old in 2025. It was reconstructed in 1991.

What condition is Joan Harris RD over Bull 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 November 2024.

How much traffic does Joan Harris RD over Bull Branch carry?

About 16 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Joan Harris RD over Bull Branch?

The structure is 31 ft (9.4 m) long with a longest span of 6 ft (1.9 m) and a deck 33 ft wide.

Who owns Joan Harris RD over Bull Branch?

It is owned by the County Highway Agency.