US Bridges

Md 636 over Warrior Run

Fair

Allegany County, Maryland · 0.27 MI E of Md 53 · Structure no. 100000010061010

Built
1936
89 years old, rebuilt 1955
Condition
Fair
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
36 ft
1 main span
Daily traffic
8,071
2018 count
Owner
State
State Highway Agency

About this bridge

Md 636 over Warrior Run is a steel stringer/multi-beam or girder carrying Md 636 over Warrior Run in Allegany County, Maryland. It was built in 1936 and reconstructed in 1955, so it is 89 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 8,071 vehicles a day, roughly 8% of them trucks, projected to reach 8,071 by 2038. The structure is 36 ft (11 m) long and 78 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesMd 636
CrossesWarrior Run
Location0.27 MI E of Md 53
RouteState Highway 636
CountyAllegany County
StateMaryland
Coordinates39.59548, -78.82947
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.5 US tons
Inventory rating28 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length36 ft (11 m)
Longest span31 ft (9.4 m)
Deck width78 ft (23.7 m)
Roadway width61 ft (18.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,071 (2018)
Projected traffic8,071 by 2038
Trucks8%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$80,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 636 over Warrior Run built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1955.

What condition is Md 636 over Warrior 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 March 2023.

How much traffic does Md 636 over Warrior Run carry?

About 8,071 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is Md 636 over Warrior Run?

The structure is 36 ft (11 m) long with a longest span of 31 ft (9.4 m) and a deck 78 ft wide.

Who owns Md 636 over Warrior Run?

It is owned by the State Highway Agency.