US Bridges

SR 908 Colman ST over I-95 SR 623 & N SR 624

Fair

New London County, Connecticut · 0.6 MI N of Route 85 · Structure no. 02602

Built
1973
52 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
338 ft
4 main spans
Daily traffic
10,300
2020 count
Owner
State
State Highway Agency

About this bridge

SR 908 Colman ST over I-95 SR 623 & N SR 624 is a steel stringer/multi-beam or girder carrying SR 908 Colman ST over I-95 SR 623 & N SR 624 in New London County, Connecticut. It was built in 1973, so it is 52 years old, younger than the Connecticut average of 56.7 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 10,300 vehicles a day, roughly 6% of them trucks, projected to reach 15,305 by 2040. The structure is 338 ft (102.9 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesSR 908 Colman ST
CrossesI-95 SR 623 & N SR 624
Location0.6 MI N of Route 85
RouteState Highway 908
Coordinates41.36874, -72.11576
Functional classUrban Other Principal 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating62.2 US tons
Inventory rating47.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length338 ft (102.9 m)
Longest span88 ft (26.8 m)
Deck width65 ft (19.9 m)
Roadway width53 ft (16.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,300 (2020)
Projected traffic15,305 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR 908 Colman ST over I-95 SR 623 & N SR 624 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR 908 Colman ST over I-95 SR 623 & N SR 624 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 April 2023.

How much traffic does SR 908 Colman ST over I-95 SR 623 & N SR 624 carry?

About 10,300 vehicles per day (2020 count), of which roughly 6% are trucks.

How long is SR 908 Colman ST over I-95 SR 623 & N SR 624?

The structure is 338 ft (102.9 m) long with a longest span of 88 ft (26.8 m) and a deck 65 ft wide.

Who owns SR 908 Colman ST over I-95 SR 623 & N SR 624?

It is owned by the State Highway Agency.