US Bridges

Md 36 over Jennings Run

Good

Allegany County, Maryland · 0.12 MI N of Md 35 · Structure no. 100000010004010

Built
1957
68 years old, rebuilt 1985
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
81 ft
1 main span
Daily traffic
8,670
9 count
Owner
State
State Highway Agency

About this bridge

Md 36 over Jennings Run is a steel stringer/multi-beam or girder carrying Md 36 over Jennings Run in Allegany County, Maryland. It was built in 1957 and reconstructed in 1985, so it is 68 years old, older 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 8,670 vehicles a day, roughly 8% of them trucks, projected to reach 12,522 by 26. The structure is 81 ft (24.7 m) long and 53 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesMd 36
CrossesJennings Run
Location0.12 MI N of Md 35
RouteState Highway 36
Coordinates39.69328, -78.78819
Functional classUrban Other Principal Arterial

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 inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating71 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length81 ft (24.7 m)
Longest span76 ft (23.2 m)
Deck width53 ft (16.1 m)
Roadway width50 ft (15.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,670 (9)
Projected traffic12,522 by 26
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 km)
TollOn a free road
National Highway SystemYes

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 1957, making it 68 years old in 2025. It was reconstructed in 1985.

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 February 2024.

How much traffic does Md 36 over Jennings Run carry?

About 8,670 vehicles per day (9 count), of which roughly 8% are trucks.

How long is Md 36 over Jennings Run?

The structure is 81 ft (24.7 m) long with a longest span of 76 ft (23.2 m) and a deck 53 ft wide.

Who owns Md 36 over Jennings Run?

It is owned by the State Highway Agency.