US Bridges

Robbin Street over Jackson Run

Fair

Allegany County, Maryland · 0.05 MI E of Jackson ST · Structure no. 200000A-L-01010

Built
1946
79 years old, rebuilt 2001
Condition
Fair
inspected September 2023
Type
Slab
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
338
2019 count
Owner
City
City or Municipal Highway Agency

About this bridge

Robbin Street over Jackson Run is a prestressed concrete slab carrying Robbin Street over Jackson Run in Allegany County, Maryland. It was built in 1946 and reconstructed in 2001, so it is 79 years old, older than the Maryland average of 52.6 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 338 vehicles a day, roughly 5% of them trucks, projected to reach 456 by 2039. The structure is 27 ft (8.1 m) long and 16 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesRobbin Street
CrossesJackson Run
Location0.05 MI E of Jackson ST
RouteCity Street 250
CountyAllegany County
StateMaryland
Coordinates39.56322, -78.97843
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
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 alignment8: Equal to present desirable criteria
Operating rating90.5 US tons
Inventory rating54 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span26 ft (7.9 m)
Deck width16 ft (4.9 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic338 (2019)
Projected traffic456 by 2039
Trucks5%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedNone recorded
Estimated improvement cost$11,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Robbin Street over Jackson Run built?

It was built in 1946, making it 79 years old in 2025. It was reconstructed in 2001.

What condition is Robbin Street over Jackson Run 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 September 2023.

How much traffic does Robbin Street over Jackson Run carry?

About 338 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is Robbin Street over Jackson Run?

The structure is 27 ft (8.1 m) long with a longest span of 26 ft (7.9 m) and a deck 16 ft wide.

Who owns Robbin Street over Jackson Run?

It is owned by the City or Municipal Highway Agency.