US Bridges

Is 68 over Snib Hollow Run

Fair

Allegany County, Maryland · 0.22 MI W of US 40SC · Structure no. 100000010050020

Built
1962
63 years old, rebuilt 1986
Condition
Fair
inspected September 2024
Type
Culvert
Concrete
Length
35 ft
Daily traffic
15,460
2009 count
Owner
State
State Highway Agency

About this bridge

Is 68 over Snib Hollow Run is a concrete culvert carrying Is 68 over Snib Hollow Run in Allegany County, Maryland. It was built in 1962 and reconstructed in 1986, so it is 63 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 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 35 ft (10.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesIs 68
CrossesSnib Hollow Run
Location0.22 MI W of US 40SC
RouteInterstate 68
CountyAllegany County
StateMaryland
Coordinates39.70197, -78.36764
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 protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadHS 20
Structure length35 ft (10.8 m)
Longest span17 ft (5.2 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 structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 over Snib Hollow Run built?

It was built in 1962, making it 63 years old in 2025. It was reconstructed in 1986.

What condition is Is 68 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 September 2024.

How much traffic does Is 68 over Snib Hollow Run carry?

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

How long is Is 68 over Snib Hollow Run?

The structure is 35 ft (10.8 m) long with a longest span of 17 ft (5.2 m).

Who owns Is 68 over Snib Hollow Run?

It is owned by the State Highway Agency.