US Bridges

County Road 29 over Trib Middle Brook

Good

Delaware County, New York · 4.5 MI W of Jefferson. · Structure no. 000000003367560

Built
1985
40 years old
Condition
Good
inspected October 2023
Type
Slab
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
505
2016 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Trib Middle Brook is a concrete continuous slab carrying County Road 29 over Trib Middle Brook in Delaware County, New York. It was built in 1985, so it is 40 years old, younger than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 505 vehicles a day, roughly 8% of them trucks, projected to reach 707 by 2036. The structure is 35 ft (10.7 m) long and 33 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Road 29
CrossesTrib Middle Brook
Location4.5 MI W of Jefferson.
RouteCounty Highway 0
Coordinates42.47245, -74.69201
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: 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 rating62.8 US tons
Inventory rating48.6 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadUnknown
Structure length35 ft (10.7 m)
Longest span15 ft (4.5 m)
Deck width33 ft (10.1 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic505 (2016)
Projected traffic707 by 2036
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$621,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 29 over Trib Middle Brook built?

It was built in 1985, making it 40 years old in 2025.

What condition is County Road 29 over Trib Middle Brook in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2023.

How much traffic does County Road 29 over Trib Middle Brook carry?

About 505 vehicles per day (2016 count), of which roughly 8% are trucks.

How long is County Road 29 over Trib Middle Brook?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.5 m) and a deck 33 ft wide.

Who owns County Road 29 over Trib Middle Brook?

It is owned by the County Highway Agency.