US Bridges

Md 309 over Norwich Creek

Fair

Talbot County, Maryland · 0.03 Mile S of Md 404AL · Structure no. 100000200024010

Built
1960
65 years old
Condition
Fair
inspected January 2025
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
104 ft
3 main spans
Daily traffic
4,042
9 count
Owner
State
State Highway Agency

About this bridge

Md 309 over Norwich Creek is a prestressed concrete box beam or girders - multiple carrying Md 309 over Norwich Creek in Talbot County, Maryland. It was built in 1960, so it is 65 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 4,042 vehicles a day, roughly 8% of them trucks, projected to reach 5,306 by 26. The structure is 104 ft (31.7 m) long and 45 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesMd 309
CrossesNorwich Creek
Location0.03 Mile S of Md 404AL
RouteState Highway 309
CountyTalbot County
StateMaryland
Coordinates38.91803, -75.96301
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 12 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
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating33.5 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length104 ft (31.7 m)
Longest span34 ft (10.4 m)
Deck width45 ft (13.6 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,042 (9)
Projected traffic5,306 by 26
Trucks8%
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

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 309 over Norwich Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Md 309 over Norwich 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 January 2025.

How much traffic does Md 309 over Norwich Creek carry?

About 4,042 vehicles per day (9 count), of which roughly 8% are trucks.

How long is Md 309 over Norwich Creek?

The structure is 104 ft (31.7 m) long with a longest span of 34 ft (10.4 m) and a deck 45 ft wide.

Who owns Md 309 over Norwich Creek?

It is owned by the State Highway Agency.