US Bridges

Md 70 over College Creek

Fair

Anne Arundel County, Maryland · 0.42 MI S of Md 435 · Structure no. 100000020043010

Built
1954
71 years old, rebuilt 2006
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
932 ft
16 main spans
Daily traffic
38,762
2009 count
Owner
State
State Highway Agency

About this bridge

Md 70 over College Creek is a steel stringer/multi-beam or girder carrying Md 70 over College Creek in Anne Arundel County, Maryland. It was built in 1954 and reconstructed in 2006, 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 38,762 vehicles a day, roughly 2% of them trucks, projected to reach 47,091 by 2026. The structure is 932 ft (284.1 m) long and 75 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMd 70
CrossesCollege Creek
Location0.42 MI S of Md 435
RouteState Highway 70
Coordinates38.98408, -76.49814
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88 US tons
Inventory rating52.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans16
Design loadHS 20
Structure length932 ft (284.1 m)
Longest span58 ft (17.7 m)
Deck width75 ft (23 m)
Roadway width54 ft (16.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,762 (2009)
Projected traffic47,091 by 2026
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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 70 over College Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 2006.

What condition is Md 70 over College 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 June 2023.

How much traffic does Md 70 over College Creek carry?

About 38,762 vehicles per day (2009 count), of which roughly 2% are trucks.

How long is Md 70 over College Creek?

The structure is 932 ft (284.1 m) long with a longest span of 58 ft (17.7 m) and a deck 75 ft wide.

Who owns Md 70 over College Creek?

It is owned by the State Highway Agency.