US Bridges

RTE 28 over Liddle Brook

Fair

Delaware County, New York · At Andes · Structure no. 000000001019830

Built
1947
78 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete
Length
37 ft
1 main span
Daily traffic
1,420
2020 count
Owner
State
State Highway Agency

About this bridge

RTE 28 over Liddle Brook is a concrete slab carrying RTE 28 over Liddle Brook in Delaware County, New York. It was built in 1947, so it is 78 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 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 1,420 vehicles a day, roughly 10% of them trucks, projected to reach 1,433 by 2041. The structure is 37 ft (11.3 m) long and 47 ft wide. If it were closed, the detour would be 55.9 mi (90 km).

CarriesRTE 28
CrossesLiddle Brook
LocationAt Andes
RouteState Highway 28
Coordinates42.19047, -74.78698
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54 US tons
Inventory rating32 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckNot applicable
Main spans1
Design loadH 20
Structure length37 ft (11.3 m)
Longest span34 ft (10.3 m)
Deck width47 ft (14.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,420 (2020)
Projected traffic1,433 by 2041
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed55.9 mi (90 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$1.5 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 28 over Liddle Brook built?

It was built in 1947, making it 78 years old in 2025.

What condition is RTE 28 over Liddle Brook 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 2024.

How much traffic does RTE 28 over Liddle Brook carry?

About 1,420 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is RTE 28 over Liddle Brook?

The structure is 37 ft (11.3 m) long with a longest span of 34 ft (10.3 m) and a deck 47 ft wide.

Who owns RTE 28 over Liddle Brook?

It is owned by the State Highway Agency.