US Bridges

County 27 over Viaduct over So.Rr

FairPosted for load

Bibb County, Alabama · Old Al 5 at Woodstk · Structure no. 000008

Built
1927
98 years old
Condition
Fair
inspected November 2024
Type
Girder and Floorbeam System
Steel
Length
214 ft
1 main span
Daily traffic
513
1989 count
Owner
County
County Highway Agency

About this bridge

County 27 over Viaduct over So.Rr is a steel girder and floorbeam system carrying County 27 over Viaduct over So.Rr in Bibb County, Alabama. It was built in 1927, so it is 98 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 513 vehicles a day, roughly 20% of them trucks, projected to reach 765 by 2030. The structure is 214 ft (65.2 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty 27
CrossesViaduct over So.Rr
LocationOld Al 5 at Woodstk
RouteCounty Highway 27
CountyBibb County
StateAlabama
Coordinates33.20596, -87.15378
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment7: Better than present minimum criteria
Operating rating15 US tons
Inventory rating10.5 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+3 approach)
Design loadH 15
Structure length214 ft (65.2 m)
Longest span109 ft (33.2 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic513 (1989)
Projected traffic765 by 2030
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.3 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was County 27 over Viaduct over So.Rr built?

It was built in 1927, making it 98 years old in 2025.

What condition is County 27 over Viaduct over So.Rr 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 County 27 over Viaduct over So.Rr carry?

About 513 vehicles per day (1989 count), of which roughly 20% are trucks.

How long is County 27 over Viaduct over So.Rr?

The structure is 214 ft (65.2 m) long with a longest span of 109 ft (33.2 m) and a deck 23 ft wide.

Who owns County 27 over Viaduct over So.Rr?

It is owned by the County Highway Agency.