US Bridges

Coon Box Road over Island Creek

Fair

Queen Anne's County, Maryland · 0.3 Mi. E. Burrisville RD · Structure no. 200000Q-0021030

Built
1982
43 years old
Condition
Fair
inspected April 2024
Type
Culvert
Steel
Length
40 ft
Daily traffic
350
2024 count
Owner
County
County Highway Agency

About this bridge

Coon Box Road over Island Creek is a steel culvert carrying Coon Box Road over Island Creek in Queen Anne's County, Maryland. It was built in 1982, so it is 43 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 5 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 350 vehicles a day, roughly 5% of them trucks, projected to reach 430 by 2044. The structure is 40 ft (12.2 m) long. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCoon Box Road
CrossesIsland Creek
Location0.3 Mi. E. Burrisville RD
RouteCounty Highway 112
CountyQueen Anne's County
StateMaryland
Coordinates39.09768, -76.06391
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.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating97 US tons
Inventory rating97 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length40 ft (12.2 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic350 (2024)
Projected traffic430 by 2044
Trucks5%
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

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 Coon Box Road over Island Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Coon Box Road over Island 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 April 2024.

How much traffic does Coon Box Road over Island Creek carry?

About 350 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Coon Box Road over Island Creek?

The structure is 40 ft (12.2 m) long with a longest span of 12 ft (3.7 m).

Who owns Coon Box Road over Island Creek?

It is owned by the County Highway Agency.