US Bridges

Md 313 over Chapel Branch

Fair

Caroline County, Maryland · 0.5 Mile North of Md 317 · Structure no. 100000050007020

Built
1954
71 years old
Condition
Fair
inspected July 2023
Type
Culvert
Concrete
Length
41 ft
Daily traffic
7,160
2009 count
Owner
State
State Highway Agency

About this bridge

Md 313 over Chapel Branch is a concrete culvert carrying Md 313 over Chapel Branch in Caroline County, Maryland. It was built in 1954, so it is 71 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 7,160 vehicles a day, roughly 8% of them trucks, projected to reach 8,440 by 2026. The structure is 41 ft (12.6 m) long. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMd 313
CrossesChapel Branch
Location0.5 Mile North of Md 317
RouteState Highway 313
Coordinates38.91193, -75.81796
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating58 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans0
Design loadH 20
Structure length41 ft (12.6 m)
Longest span20 ft (6.1 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,160 (2009)
Projected traffic8,440 by 2026
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 313 over Chapel Branch built?

It was built in 1954, making it 71 years old in 2025.

What condition is Md 313 over Chapel Branch 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 July 2023.

How much traffic does Md 313 over Chapel Branch carry?

About 7,160 vehicles per day (2009 count), of which roughly 8% are trucks.

How long is Md 313 over Chapel Branch?

The structure is 41 ft (12.6 m) long with a longest span of 20 ft (6.1 m).

Who owns Md 313 over Chapel Branch?

It is owned by the State Highway Agency.