US Bridges

Md 5 over Mcintosh Run

Fair

St. Mary's County, Maryland · 0.14 Mile South of Md 243 · Structure no. 100000180002010

Built
1935
90 years old, rebuilt 1970
Condition
Fair
inspected May 2023
Type
Tee Beam
Concrete
Length
89 ft
3 main spans
Daily traffic
22,220
2009 count
Owner
State
State Highway Agency

About this bridge

Md 5 over Mcintosh Run is a concrete tee beam carrying Md 5 over Mcintosh Run in St. Mary's County, Maryland. It was built in 1935 and reconstructed in 1970, so it is 90 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 22,220 vehicles a day, roughly 8% of them trucks, projected to reach 30,220 by 2026. The structure is 89 ft (27.1 m) long and 60 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesMd 5
CrossesMcintosh Run
Location0.14 Mile South of Md 243
RouteState Highway 5
Coordinates38.30411, -76.65616
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.5 US tons
Inventory rating34.5 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length89 ft (27.1 m)
Longest span30 ft (9.1 m)
Deck width60 ft (18.3 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,220 (2009)
Projected traffic30,220 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed9.9 mi (16 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$352,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Md 5 over Mcintosh Run built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1970.

What condition is Md 5 over Mcintosh 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 May 2023.

How much traffic does Md 5 over Mcintosh Run carry?

About 22,220 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 5 over Mcintosh Run?

The structure is 89 ft (27.1 m) long with a longest span of 30 ft (9.1 m) and a deck 60 ft wide.

Who owns Md 5 over Mcintosh Run?

It is owned by the State Highway Agency.