US Bridges

Trevanion Road over Big Pipe Creek

Fair

Carroll County, Maryland · 2.05 Miles N of Md 84 · Structure no. 200000CL0225010

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
183 ft
3 main spans
Daily traffic
2,569
2021 count
Owner
County
County Highway Agency

About this bridge

Trevanion Road over Big Pipe Creek is a steel continuous stringer/multi-beam or girder carrying Trevanion Road over Big Pipe Creek in Carroll County, Maryland. It was built in 1966, so it is 59 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 2,569 vehicles a day, roughly 8% of them trucks, projected to reach 4,210 by 2041. The structure is 183 ft (55.9 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesTrevanion Road
CrossesBig Pipe Creek
Location2.05 Miles N of Md 84
RouteCounty Highway 34
Coordinates39.6253, -77.14084
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length183 ft (55.9 m)
Longest span69 ft (21 m)
Deck width36 ft (11 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,569 (2021)
Projected traffic4,210 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Trevanion Road over Big Pipe Creek built?

It was built in 1966, making it 59 years old in 2025.

What condition is Trevanion Road over Big Pipe Creek 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 2023.

How much traffic does Trevanion Road over Big Pipe Creek carry?

About 2,569 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is Trevanion Road over Big Pipe Creek?

The structure is 183 ft (55.9 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns Trevanion Road over Big Pipe Creek?

It is owned by the County Highway Agency.