US Bridges

Md 34 over Trib to Lit Antietam Crk

Fair

Washington County, Maryland · 0.70 Mile West of US 40AL · Structure no. 100000210005010

Built
1957
68 years old
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
26 ft
1 main span
Daily traffic
6,981
2009 count
Owner
State
State Highway Agency

About this bridge

Md 34 over Trib to Lit Antietam Crk is a concrete tee beam carrying Md 34 over Trib to Lit Antietam Crk in Washington County, Maryland. It was built in 1957, so it is 68 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 6,981 vehicles a day, roughly 8% of them trucks, projected to reach 7,277 by 2026. The structure is 26 ft (7.9 m) long and 50 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesMd 34
CrossesTrib to Lit Antietam Crk
Location0.70 Mile West of US 40AL
RouteState Highway 34
Coordinates39.50267, -77.66417
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span24 ft (7.3 m)
Deck width50 ft (15.3 m)
Roadway width48 ft (14.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,981 (2009)
Projected traffic7,277 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 34 over Trib to Lit Antietam Crk built?

It was built in 1957, making it 68 years old in 2025.

What condition is Md 34 over Trib to Lit Antietam Crk 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 August 2023.

How much traffic does Md 34 over Trib to Lit Antietam Crk carry?

About 6,981 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 34 over Trib to Lit Antietam Crk?

The structure is 26 ft (7.9 m) long with a longest span of 24 ft (7.3 m) and a deck 50 ft wide.

Who owns Md 34 over Trib to Lit Antietam Crk?

It is owned by the State Highway Agency.