US Bridges

Old Winthrop RD over Interstate 95 NB & SB

Fair

Kennebec County, Maine · Over I95 0.2 MI N US 202 · Structure no. 5788

Built
1958
67 years old, rebuilt 1995
Condition
Fair
inspected September 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
243 ft
4 main spans
Daily traffic
3,330
2016 count
Owner
State
State Highway Agency

About this bridge

Old Winthrop RD over Interstate 95 NB & SB is a steel continuous stringer/multi-beam or girder carrying Old Winthrop RD over Interstate 95 NB & SB in Kennebec County, Maine. It was built in 1958 and reconstructed in 1995, so it is 67 years old, older than the Maine average of 53.7 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 3,330 vehicles a day, roughly 5% of them trucks, projected to reach 4,662 by 2036. The structure is 243 ft (74.2 m) long and 31 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Winthrop RD
CrossesInterstate 95 NB & SB
LocationOver I95 0.2 MI N US 202
RouteCounty Highway 0
StateMaine
Coordinates44.32013, -69.81343
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.3 US tons
Inventory rating29.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 20
Structure length243 ft (74.2 m)
Longest span66 ft (20.2 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,330 (2016)
Projected traffic4,662 by 2036
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Old Winthrop RD over Interstate 95 NB & SB built?

It was built in 1958, making it 67 years old in 2025. It was reconstructed in 1995.

What condition is Old Winthrop RD over Interstate 95 NB & SB 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 September 2024.

How much traffic does Old Winthrop RD over Interstate 95 NB & SB carry?

About 3,330 vehicles per day (2016 count), of which roughly 5% are trucks.

How long is Old Winthrop RD over Interstate 95 NB & SB?

The structure is 243 ft (74.2 m) long with a longest span of 66 ft (20.2 m) and a deck 31 ft wide.

Who owns Old Winthrop RD over Interstate 95 NB & SB?

It is owned by the State Highway Agency.