US Bridges

Walnut Point RD over Is 70

Fair

Washington County, Maryland · 1.17 Miles S of US 40 · Structure no. 100000210107010

Built
1965
60 years old, rebuilt 1973
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
248 ft
4 main spans
Daily traffic
566
2022 count
Owner
State
State Highway Agency

About this bridge

Walnut Point RD over Is 70 is a steel stringer/multi-beam or girder carrying Walnut Point RD over Is 70 in Washington County, Maryland. It was built in 1965 and reconstructed in 1973, so it is 60 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 566 vehicles a day, roughly 5% of them trucks, projected to reach 690 by 2042. The structure is 248 ft (75.6 m) long and 31 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesWalnut Point RD
CrossesIs 70
Location1.17 Miles S of US 40
RouteCounty Highway 110
CountyWashington County
StateMaryland
Coordinates39.63725, -77.82223
Functional classUrban Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length248 ft (75.6 m)
Longest span87 ft (26.5 m)
Deck width31 ft (9.5 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic566 (2022)
Projected traffic690 by 2042
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed5 mi (8 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Walnut Point RD over Is 70 built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1973.

What condition is Walnut Point RD over Is 70 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 June 2024.

How much traffic does Walnut Point RD over Is 70 carry?

About 566 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Walnut Point RD over Is 70?

The structure is 248 ft (75.6 m) long with a longest span of 87 ft (26.5 m) and a deck 31 ft wide.

Who owns Walnut Point RD over Is 70?

It is owned by the State Highway Agency.