US Bridges

RTE 145 over Mill Creek

Fair

Schoharie County, New York · 0.3 M N of JCT NY-145 & N · Structure no. 000000001038280

Built
1989
36 years old
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
41 ft
1 main span
Daily traffic
2,457
2018 count
Owner
State
State Highway Agency

About this bridge

RTE 145 over Mill Creek is a prestressed concrete box beam or girders - multiple carrying RTE 145 over Mill Creek in Schoharie County, New York. It was built in 1989, so it is 36 years old, younger 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 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 2,457 vehicles a day, roughly 6% of them trucks, projected to reach 2,984 by 2041. The structure is 41 ft (12.5 m) long and 40 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRTE 145
CrossesMill Creek
Location0.3 M N of JCT NY-145 & N
RouteState Highway 145
Coordinates42.68042, -74.489
Functional classUrban Minor 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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.9 US tons
Inventory rating42 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span41 ft (12.4 m)
Deck width40 ft (12.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,457 (2018)
Projected traffic2,984 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed16.8 mi (27 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 proposedDeck replacement with only incidental widening
Estimated improvement cost$1.6 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 145 over Mill Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is RTE 145 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 June 2024.

How much traffic does RTE 145 over Mill Creek carry?

About 2,457 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is RTE 145 over Mill Creek?

The structure is 41 ft (12.5 m) long with a longest span of 41 ft (12.4 m) and a deck 40 ft wide.

Who owns RTE 145 over Mill Creek?

It is owned by the State Highway Agency.