US Bridges

Middle Rd/Rte 9 over I-95

Good

Androscoggin County, Maine · .159 MI N of Desmarais DR · Structure no. 0037

Built
1956
69 years old, rebuilt 2002
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
211 ft
4 main spans
Daily traffic
6,009
2016 count
Owner
Toll Authority
State Toll Authority

About this bridge

Middle Rd/Rte 9 over I-95 is a steel continuous stringer/multi-beam or girder carrying Middle Rd/Rte 9 over I-95 in Androscoggin County, Maine. It was built in 1956 and reconstructed in 2002, so it is 69 years old, older than the Maine average of 53.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 6,009 vehicles a day, roughly 9% of them trucks, projected to reach 8,413 by 2036. The structure is 211 ft (64.2 m) long and 43 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMiddle Rd/Rte 9
CrossesI-95
Location.159 MI N of Desmarais DR
RouteState Highway 9
StateMaine
Coordinates44.10112, -70.08592
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.2 US tons
Inventory rating37.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length211 ft (64.2 m)
Longest span60 ft (18.4 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,009 (2016)
Projected traffic8,413 by 2036
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Toll Authority
Maintained byState Toll Authority
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Middle Rd/Rte 9 over I-95 built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2002.

What condition is Middle Rd/Rte 9 over I-95 in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in May 2023.

How much traffic does Middle Rd/Rte 9 over I-95 carry?

About 6,009 vehicles per day (2016 count), of which roughly 9% are trucks.

How long is Middle Rd/Rte 9 over I-95?

The structure is 211 ft (64.2 m) long with a longest span of 60 ft (18.4 m) and a deck 43 ft wide.

Who owns Middle Rd/Rte 9 over I-95?

It is owned by the State Toll Authority.