US Bridges

8th Avenue NW over Sawmill Creek

Fair

Anne Arundel County, Maryland · .5 Miles E of I-97 · Structure no. 200000AA5017030

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Culvert
Steel
Length
24 ft
Daily traffic
11,242
2020 count
Owner
County
County Highway Agency

About this bridge

8th Avenue NW over Sawmill Creek is a steel culvert carrying 8th Avenue NW over Sawmill Creek in Anne Arundel County, Maryland. It was built in 1971, so it is 54 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 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 11,242 vehicles a day, roughly 5% of them trucks, projected to reach 13,718 by 2040. The structure is 24 ft (7.3 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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Carries8th Avenue NW
CrossesSawmill Creek
Location.5 Miles E of I-97
RouteCounty Highway 3616
CountyAnne Arundel County
StateMaryland
Coordinates39.17304, -76.62842
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 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 inspectionAugust 2023
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 rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans0
Design loadHS 20
Structure length24 ft (7.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,242 (2020)
Projected traffic13,718 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 8th Avenue NW over Sawmill Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is 8th Avenue NW over Sawmill 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 August 2023.

How much traffic does 8th Avenue NW over Sawmill Creek carry?

About 11,242 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is 8th Avenue NW over Sawmill Creek?

The structure is 24 ft (7.3 m) long with a longest span of 10 ft (3 m).

Who owns 8th Avenue NW over Sawmill Creek?

It is owned by the County Highway Agency.