US Bridges

Darby Hill Road over 88I 88I 1608 1047 RTE I

Fair

Schenectady County, New York · 4 MI SW JCT Rts 7 < I-88 · Structure no. 000000001071580

Built
1980
45 years old
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
252 ft
2 main spans
Daily traffic
866
2020 count
Owner
State
State Highway Agency

About this bridge

Darby Hill Road over 88I 88I 1608 1047 RTE I is a steel continuous stringer/multi-beam or girder carrying Darby Hill Road over 88I 88I 1608 1047 RTE I in Schenectady County, New York. It was built in 1980, so it is 45 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 866 vehicles a day, roughly 5% of them trucks, projected to reach 1,212 by 2040. The structure is 252 ft (76.8 m) long and 36 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesDarby Hill Road
Crosses88I 88I 1608 1047 RTE I
Location4 MI SW JCT Rts 7 < I-88
RouteCounty Highway 0
CountySchenectady County
StateNew York
Coordinates42.73097, -74.18547
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating75 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length252 ft (76.8 m)
Longest span124 ft (37.7 m)
Deck width36 ft (11 m)
Roadway width33 ft (10.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic866 (2020)
Projected traffic1,212 by 2040
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed3.7 mi (6 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$3.5 million (2024 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Darby Hill Road over 88I 88I 1608 1047 RTE I built?

It was built in 1980, making it 45 years old in 2025.

What condition is Darby Hill Road over 88I 88I 1608 1047 RTE I 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 Darby Hill Road over 88I 88I 1608 1047 RTE I carry?

About 866 vehicles per day (2020 count), of which roughly 5% are trucks.

How long is Darby Hill Road over 88I 88I 1608 1047 RTE I?

The structure is 252 ft (76.8 m) long with a longest span of 124 ft (37.7 m) and a deck 36 ft wide.

Who owns Darby Hill Road over 88I 88I 1608 1047 RTE I?

It is owned by the State Highway Agency.