US Bridges

Co. Rd. 6 over Oyster Bay

Good

Baldwin County, Alabama · 4.3 Mi. W. of Al. Hwy. 59 · Structure no. 016843

Built
1997
28 years old
Condition
Good
inspected March 2023
Type
Channel Beam
Concrete
Length
170 ft
5 main spans
Daily traffic
977
2019 count
Owner
County
County Highway Agency

About this bridge

Co. Rd. 6 over Oyster Bay is a concrete channel beam carrying Co. Rd. 6 over Oyster Bay in Baldwin County, Alabama. It was built in 1997, so it is 28 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 977 vehicles a day, roughly 1% of them trucks, projected to reach 1,466 by 2039. The structure is 170 ft (51.8 m) long and 31 ft wide. If it were closed, the detour would be 98.2 mi (158 km).

Location

Open in Google Maps
CarriesCo. Rd. 6
CrossesOyster Bay
Location4.3 Mi. W. of Al. Hwy. 59
RouteCounty Highway 6
CountyBaldwin County
StateAlabama
Coordinates30.28344, -87.73432
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating60.5 US tons
Inventory rating36.2 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length170 ft (51.8 m)
Longest span34 ft (10.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic977 (2019)
Projected traffic1,466 by 2039
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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co. Rd. 6 over Oyster Bay built?

It was built in 1997, making it 28 years old in 2025.

What condition is Co. Rd. 6 over Oyster Bay 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 March 2023.

How much traffic does Co. Rd. 6 over Oyster Bay carry?

About 977 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Co. Rd. 6 over Oyster Bay?

The structure is 170 ft (51.8 m) long with a longest span of 34 ft (10.4 m) and a deck 31 ft wide.

Who owns Co. Rd. 6 over Oyster Bay?

It is owned by the County Highway Agency.