US Bridges

RTE 980D over 90IX RTE I90 Flat Broo

Fair

Columbia County, New York · .8 MI E I90 Int B3 · Structure no. 000000001050360

Built
2008
17 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
321 ft
2 main spans
Daily traffic
2,475
2021 count
Owner
Toll Authority
State Toll Authority

About this bridge

RTE 980D over 90IX RTE I90 Flat Broo is a steel continuous stringer/multi-beam or girder carrying RTE 980D over 90IX RTE I90 Flat Broo in Columbia County, New York. It was built in 2008, so it is 17 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 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 2,475 vehicles a day, roughly 8% of them trucks, projected to reach 2,748 by 2041. The structure is 321 ft (97.8 m) long and 39 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesRTE 980D
Crosses90IX RTE I90 Flat Broo
Location.8 MI E I90 Int B3
RouteState Highway 980D
CountyColumbia County
StateNew York
Coordinates42.35005, -73.41483
Functional classRural 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating45 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 25 or greater
Structure length321 ft (97.8 m)
Longest span171 ft (52.1 m)
Deck width39 ft (11.9 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,475 (2021)
Projected traffic2,748 by 2041
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
Detour if closed1.9 mi (3 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 proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$9.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 980D over 90IX RTE I90 Flat Broo built?

It was built in 2008, making it 17 years old in 2025.

What condition is RTE 980D over 90IX RTE I90 Flat Broo 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 November 2024.

How much traffic does RTE 980D over 90IX RTE I90 Flat Broo carry?

About 2,475 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is RTE 980D over 90IX RTE I90 Flat Broo?

The structure is 321 ft (97.8 m) long with a longest span of 171 ft (52.1 m) and a deck 39 ft wide.

Who owns RTE 980D over 90IX RTE I90 Flat Broo?

It is owned by the State Toll Authority.