US Bridges

County Road 29 over Marsh Creek

Fair

Allegany County, New York · 2.8 Miles NW of Shongo · Structure no. 000000003330680

Built
1997
28 years old
Condition
Fair
inspected August 2023
Type
Slab
Wood or Timber
Length
37 ft
1 main span
Daily traffic
639
2020 count
Owner
County
County Highway Agency

About this bridge

County Road 29 over Marsh Creek is a wood or timber slab carrying County Road 29 over Marsh Creek in Allegany County, New York. It was built in 1997, so it is 28 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 639 vehicles a day, roughly 14% of them trucks, projected to reach 895 by 2040. The structure is 37 ft (11.3 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCounty Road 29
CrossesMarsh Creek
Location2.8 Miles NW of Shongo
RouteCounty Highway 0
CountyAllegany County
StateNew York
Coordinates42.04853, -77.9313
Functional classRural Minor Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
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 geometry6: Equal to present minimum criteria
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating72 US tons
Inventory rating48 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckNot applicable
Main spans1
Design loadHS 25 or greater
Structure length37 ft (11.3 m)
Longest span36 ft (10.9 m)
Deck width32 ft (9.8 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic639 (2020)
Projected traffic895 by 2040
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$1.7 million (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was County Road 29 over Marsh Creek built?

It was built in 1997, making it 28 years old in 2025.

What condition is County Road 29 over Marsh 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 August 2023.

How much traffic does County Road 29 over Marsh Creek carry?

About 639 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is County Road 29 over Marsh Creek?

The structure is 37 ft (11.3 m) long with a longest span of 36 ft (10.9 m) and a deck 32 ft wide.

Who owns County Road 29 over Marsh Creek?

It is owned by the County Highway Agency.