US Bridges

Md 36 over Jennings Run

Poor

Allegany County, Maryland · 0.33 Mile South of Md 638 · Structure no. 100000010069030

Built
1987
38 years old
Condition
Poor
inspected January 2024
Type
Culvert
Steel
Length
38 ft
Daily traffic
1,320
2009 count
Owner
State
State Highway Agency

About this bridge

Md 36 over Jennings Run is a steel culvert carrying Md 36 over Jennings Run in Allegany County, Maryland. It was built in 1987, so it is 38 years old, younger than the Maryland average of 52.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 1,320 vehicles a day, roughly 8% of them trucks, projected to reach 1,695 by 2026. The structure is 38 ft (11.7 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesMd 36
CrossesJennings Run
Location0.33 Mile South of Md 638
RouteState Highway 36
CountyAllegany County
StateMaryland
Coordinates39.67497, -78.90119
Functional classUrban Minor Arterial

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length38 ft (11.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,320 (2009)
Projected traffic1,695 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 1987, making it 38 years old in 2025.

What condition is Md 36 over Jennings Run in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Md 36 over Jennings Run carry?

About 1,320 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 36 over Jennings Run?

The structure is 38 ft (11.7 m) long with a longest span of 10 ft (3 m).

Who owns Md 36 over Jennings Run?

It is owned by the State Highway Agency.