US Bridges

Md 36 over Jennings Run

Fair

Allegany County, Maryland · 0.06 MI N of Md 638 · Structure no. 100000010009030

Built
1985
40 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
40 ft
Daily traffic
2,150
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 1985, so it is 40 years old, younger 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 5 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 2,150 vehicles a day, roughly 8% of them trucks, projected to reach 2,250 by 2029. The structure is 40 ft (12.3 m) long. If it were closed, the detour would be 13 mi (21 km).

Location

Open in Google Maps
CarriesMd 36
CrossesJennings Run
Location0.06 MI N of Md 638
RouteState Highway 36
CountyAllegany County
StateMaryland
Coordinates39.67802, -78.89597
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length40 ft (12.3 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,150 (2009)
Projected traffic2,250 by 2029
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 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 1985, making it 40 years old in 2025.

What condition is Md 36 over Jennings 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 January 2024.

How much traffic does Md 36 over Jennings Run carry?

About 2,150 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 36 over Jennings Run?

The structure is 40 ft (12.3 m) long with a longest span of 11 ft (3.4 m).

Who owns Md 36 over Jennings Run?

It is owned by the State Highway Agency.