US Bridges

Is 68 & US 40 Scn over Snib Hollow Run

Fair

Allegany County, Maryland · 0.62 M E of US 40 Sc · Structure no. 100000010039030

Built
1986
39 years old, rebuilt 1988
Condition
Fair
inspected November 2024
Type
Culvert
Steel
Length
32 ft
Daily traffic
15,460
2009 count
Owner
State
State Highway Agency

About this bridge

Is 68 & US 40 Scn over Snib Hollow Run is a steel culvert carrying Is 68 & US 40 Scn over Snib Hollow Run in Allegany County, Maryland. It was built in 1986 and reconstructed in 1988, so it is 39 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 6 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 15,460 vehicles a day, roughly 8% of them trucks, projected to reach 16,535 by 2026. The structure is 32 ft (9.8 m) long. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesIs 68 & US 40 Scn
CrossesSnib Hollow Run
Location0.62 M E of US 40 Sc
RouteInterstate 68
CountyAllegany County
StateMaryland
Coordinates39.70348, -78.34843
Functional classRural Principal Arterial - Interstate

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal 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 length32 ft (9.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic15,460 (2009)
Projected traffic16,535 by 2026
Trucks8%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Is 68 & US 40 Scn over Snib Hollow Run built?

It was built in 1986, making it 39 years old in 2025. It was reconstructed in 1988.

What condition is Is 68 & US 40 Scn over Snib Hollow 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 November 2024.

How much traffic does Is 68 & US 40 Scn over Snib Hollow Run carry?

About 15,460 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Is 68 & US 40 Scn over Snib Hollow Run?

The structure is 32 ft (9.8 m) long with a longest span of 14 ft (4.3 m).

Who owns Is 68 & US 40 Scn over Snib Hollow Run?

It is owned by the State Highway Agency.