US Bridges

RTE I90 over Mill Creek

Fair

Rensselaer County, New York · 0.1 MI S JCT Rt I90 & 151 · Structure no. 000000001092659

Built
1971
54 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete
Length
30 ft
2 main spans
Daily traffic
41,076
2020 count
Owner
State
State Highway Agency

About this bridge

RTE I90 over Mill Creek is a concrete culvert carrying RTE I90 over Mill Creek in Rensselaer County, New York. It was built in 1971, so it is 54 years old, older than the New York average of 53 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 41,076 vehicles a day, roughly 12% of them trucks, projected to reach 65,093 by 2041. The structure is 30 ft (9.1 m) long.

CarriesRTE I90
CrossesMill Creek
Location0.1 MI S JCT Rt I90 & 151
RouteInterstate 90
Coordinates42.62007, -73.69168
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating110.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length30 ft (9.1 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic41,076 (2020)
Projected traffic65,093 by 2041
Trucks12%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE I90 over Mill Creek built?

It was built in 1971, making it 54 years old in 2025.

What condition is RTE I90 over Mill 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 August 2023.

How much traffic does RTE I90 over Mill Creek carry?

About 41,076 vehicles per day (2020 count), of which roughly 12% are trucks.

How long is RTE I90 over Mill Creek?

The structure is 30 ft (9.1 m) long with a longest span of 12 ft (3.6 m).

Who owns RTE I90 over Mill Creek?

It is owned by the State Highway Agency.