US Bridges

Detour Road over Trib of Choptank River

Fair

Caroline County, Maryland · 0.8 Miles East of Md 16 · Structure no. 200000CO0047030

Built
1973
52 years old
Condition
Fair
inspected January 2024
Type
Culvert
Steel
Length
24 ft
3 main spans
Daily traffic
165
2024 count
Owner
County
County Highway Agency

About this bridge

Detour Road over Trib of Choptank River is a steel culvert carrying Detour Road over Trib of Choptank River in Caroline County, Maryland. It was built in 1973, so it is 52 years old, younger 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 165 vehicles a day, roughly 1% of them trucks, projected to reach 440 by 2044. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDetour Road
CrossesTrib of Choptank River
Location0.8 Miles East of Md 16
RouteCounty Highway 149
Coordinates38.83154, -75.83095
Functional classRural 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans3
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span6 ft (1.8 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic165 (2024)
Projected traffic440 by 2044
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Detour Road over Trib of Choptank River built?

It was built in 1973, making it 52 years old in 2025.

What condition is Detour Road over Trib of Choptank River 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 January 2024.

How much traffic does Detour Road over Trib of Choptank River carry?

About 165 vehicles per day (2024 count), of which roughly 1% are trucks.

How long is Detour Road over Trib of Choptank River?

The structure is 24 ft (7.3 m) long with a longest span of 6 ft (1.8 m).

Who owns Detour Road over Trib of Choptank River?

It is owned by the County Highway Agency.