US Bridges

Co.Rd. 91 over Narrow Gap Branch

Good

Baldwin County, Alabama · 3.3 Miles North of US 98 · Structure no. 019522

Built
2013
12 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
120 ft
3 main spans
Daily traffic
284
2019 count
Owner
County
County Highway Agency

About this bridge

Co.Rd. 91 over Narrow Gap Branch is a prestressed concrete stringer/multi-beam or girder carrying Co.Rd. 91 over Narrow Gap Branch in Baldwin County, Alabama. It was built in 2013, so it is 12 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 284 vehicles a day, roughly 1% of them trucks, projected to reach 383 by 2039. The structure is 120 ft (36.6 m) long and 31 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesCo.Rd. 91
CrossesNarrow Gap Branch
Location3.3 Miles North of US 98
RouteCounty Highway 91
CountyBaldwin County
StateAlabama
Coordinates30.46329, -87.48045
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.3 US tons
Inventory rating38.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length120 ft (36.6 m)
Longest span40 ft (12.2 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic284 (2019)
Projected traffic383 by 2039
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 proposedNone recorded
Estimated improvement cost$1 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Co.Rd. 91 over Narrow Gap Branch built?

It was built in 2013, making it 12 years old in 2025.

What condition is Co.Rd. 91 over Narrow Gap Branch 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. 91 over Narrow Gap Branch carry?

About 284 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Co.Rd. 91 over Narrow Gap Branch?

The structure is 120 ft (36.6 m) long with a longest span of 40 ft (12.2 m) and a deck 31 ft wide.

Who owns Co.Rd. 91 over Narrow Gap Branch?

It is owned by the County Highway Agency.