US Bridges

Zehner RD over Round Island CR

GoodPosted for load

Limestone County, Alabama · SEC16 T3S R5W · Structure no. 007993

Built
1963
62 years old
Condition
Good
inspected November 2024
Type
Tee Beam
Concrete
Length
163 ft
4 main spans
Daily traffic
450
2013 count
Owner
County
County Highway Agency

About this bridge

Zehner RD over Round Island CR is a concrete tee beam carrying Zehner RD over Round Island CR in Limestone County, Alabama. It was built in 1963, so it is 62 years old, older 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. Its operating status is: posted for load restriction.

It carries about 450 vehicles a day, roughly 2% of them trucks, projected to reach 670 by 2033. The structure is 163 ft (49.7 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesZehner RD
CrossesRound Island CR
LocationSEC16 T3S R5W
RouteCounty Highway 41
StateAlabama
Coordinates34.77703, -87.07209
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length163 ft (49.7 m)
Longest span40 ft (12.2 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2013)
Projected traffic670 by 2033
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Zehner RD over Round Island CR built?

It was built in 1963, making it 62 years old in 2025.

What condition is Zehner RD over Round Island CR 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 November 2024.

How much traffic does Zehner RD over Round Island CR carry?

About 450 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is Zehner RD over Round Island CR?

The structure is 163 ft (49.7 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.

Who owns Zehner RD over Round Island CR?

It is owned by the County Highway Agency.