US Bridges

Shiloh Road over East Branch Patapsco Riv

Fair

Carroll County, Maryland · 0.05 MI W of Brodbeck RD · Structure no. 200000CL0386020

Built
1969
56 years old
Condition
Fair
inspected May 2023
Type
Culvert
Concrete
Length
69 ft
Daily traffic
1,327
2021 count
Owner
County
County Highway Agency

About this bridge

Shiloh Road over East Branch Patapsco Riv is a concrete culvert carrying Shiloh Road over East Branch Patapsco Riv in Carroll County, Maryland. It was built in 1969, so it is 56 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 1,327 vehicles a day, roughly 8% of them trucks, projected to reach 2,180 by 2041. The structure is 69 ft (21 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesShiloh Road
CrossesEast Branch Patapsco Riv
Location0.05 MI W of Brodbeck RD
RouteCounty Highway 413
Coordinates39.59853, -76.8846
Functional classRural Minor Collector

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 inspectionMay 2023
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 alignment6: Equal to present minimum criteria
Operating rating80.5 US tons
Inventory rating48 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadUnknown
Structure length69 ft (21 m)
Longest span16 ft (4.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,327 (2021)
Projected traffic2,180 by 2041
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

OwnerCounty Highway Agency
Maintained byCounty 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 Shiloh Road over East Branch Patapsco Riv built?

It was built in 1969, making it 56 years old in 2025.

What condition is Shiloh Road over East Branch Patapsco Riv 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 Shiloh Road over East Branch Patapsco Riv carry?

About 1,327 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Shiloh Road over East Branch Patapsco Riv?

The structure is 69 ft (21 m) long with a longest span of 16 ft (4.9 m).

Who owns Shiloh Road over East Branch Patapsco Riv?

It is owned by the County Highway Agency.