US Bridges

Md 36 over Jennings Run

Good

Allegany County, Maryland · 1.38 MI S of Md 47 · Structure no. 100000010006010

Built
1995
30 years old
Condition
Good
inspected January 2025
Type
Slab
Prestressed Concrete
Length
60 ft
2 main spans
Daily traffic
2,290
2009 count
Owner
State
State Highway Agency

About this bridge

Md 36 over Jennings Run is a prestressed concrete slab carrying Md 36 over Jennings Run in Allegany County, Maryland. It was built in 1995, so it is 30 years old, younger than the Maryland average of 52.6 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.

It carries about 2,290 vehicles a day, roughly 8% of them trucks, projected to reach 3,205 by 2026. The structure is 60 ft (18.3 m) long and 34 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesMd 36
CrossesJennings Run
Location1.38 MI S of Md 47
RouteState Highway 36
Coordinates39.69958, -78.86711
Functional classRural Major 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating60.5 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length60 ft (18.3 m)
Longest span30 ft (9.1 m)
Deck width34 ft (10.4 m)
Roadway width31 ft (9.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,290 (2009)
Projected traffic3,205 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 36 over Jennings Run built?

It was built in 1995, making it 30 years old in 2025.

What condition is Md 36 over Jennings Run 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 January 2025.

How much traffic does Md 36 over Jennings Run carry?

About 2,290 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 36 over Jennings Run?

The structure is 60 ft (18.3 m) long with a longest span of 30 ft (9.1 m) and a deck 34 ft wide.

Who owns Md 36 over Jennings Run?

It is owned by the State Highway Agency.