US Bridges

Keller Road over Boggy Branch

Good

Baldwin County, Alabama · 0.47 Miles East of HWY 59 · Structure no. 019521

Built
2017
8 years old
Condition
Good
inspected September 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
222
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Keller Road over Boggy Branch is a concrete channel beam carrying Keller Road over Boggy Branch in Baldwin County, Alabama. It was built in 2017, so it is 8 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 222 vehicles a day, roughly 1% of them trucks, projected to reach 300 by 2043. The structure is 40 ft (12.2 m) long and 29 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesKeller Road
CrossesBoggy Branch
Location0.47 Miles East of HWY 59
RouteCounty Highway 100
StateAlabama
Coordinates30.34106, -87.67509
Functional classRural Minor Collector

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 inspectionSeptember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98 US tons
Inventory rating60 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span40 ft (12.2 m)
Deck width29 ft (8.8 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic222 (2023)
Projected traffic300 by 2043
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 km)
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$414,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Keller Road over Boggy Branch built?

It was built in 2017, making it 8 years old in 2025.

What condition is Keller Road over Boggy 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 September 2023.

How much traffic does Keller Road over Boggy Branch carry?

About 222 vehicles per day (2023 count), of which roughly 1% are trucks.

How long is Keller Road over Boggy Branch?

The structure is 40 ft (12.2 m) long with a longest span of 40 ft (12.2 m) and a deck 29 ft wide.

Who owns Keller Road over Boggy Branch?

It is owned by the City or Municipal Highway Agency.