US Bridges

Harrison RD over Sherwood Ditch

Fair

Montgomery County, Alabama · 0.2 MI W of Perry Hill RD · Structure no. 008773

Built
1965
60 years old
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
3,500
1992 count
Owner
City
City or Municipal Highway Agency

About this bridge

Harrison RD over Sherwood Ditch is a concrete tee beam carrying Harrison RD over Sherwood Ditch in Montgomery County, Alabama. It was built in 1965, so it is 60 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.

It carries about 3,500 vehicles a day, roughly 1% of them trucks, projected to reach 5,050 by 2044. The structure is 48 ft (14.6 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesHarrison RD
CrossesSherwood Ditch
Location0.2 MI W of Perry Hill RD
RouteCity Street 0
StateAlabama
Coordinates32.36707, -86.24772
Functional classUrban Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98 US tons
Inventory rating59.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (1992)
Projected traffic5,050 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$437,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Harrison RD over Sherwood Ditch built?

It was built in 1965, making it 60 years old in 2025.

What condition is Harrison RD over Sherwood Ditch 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 July 2024.

How much traffic does Harrison RD over Sherwood Ditch carry?

About 3,500 vehicles per day (1992 count), of which roughly 1% are trucks.

How long is Harrison RD over Sherwood Ditch?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Harrison RD over Sherwood Ditch?

It is owned by the City or Municipal Highway Agency.