US Bridges

Md 36 over Neff Run

Fair

Allegany County, Maryland · 2.57 MI S of Md 55 · Structure no. 100000010054020

Built
1939
86 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete
Length
39 ft
Daily traffic
6,750
2009 count
Owner
State
State Highway Agency

About this bridge

Md 36 over Neff Run is a concrete culvert carrying Md 36 over Neff Run in Allegany County, Maryland. It was built in 1939, so it is 86 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 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 6,750 vehicles a day, roughly 8% of them trucks, projected to reach 8,901 by 2026. The structure is 39 ft (11.8 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMd 36
CrossesNeff Run
Location2.57 MI S of Md 55
RouteState Highway 36
CountyAllegany County
StateMaryland
Coordinates39.59271, -78.93987
Functional classRural 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 protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 12 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans0
Design loadH 20
Structure length39 ft (11.8 m)
Longest span19 ft (5.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2009)
Projected traffic8,901 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Neff Run built?

It was built in 1939, making it 86 years old in 2025.

What condition is Md 36 over Neff 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 2025.

How much traffic does Md 36 over Neff Run carry?

About 6,750 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 36 over Neff Run?

The structure is 39 ft (11.8 m) long with a longest span of 19 ft (5.8 m).

Who owns Md 36 over Neff Run?

It is owned by the State Highway Agency.