US Bridges

RTE 9 over Mud Creek

Fair

Columbia County, New York · 1.5 MI N JCT Rts 9+9H · Structure no. 000000001005400

Built
1931
94 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
5,963
2021 count
Owner
State
State Highway Agency

About this bridge

RTE 9 over Mud Creek is a concrete continuous culvert carrying RTE 9 over Mud Creek in Columbia County, New York. It was built in 1931, so it is 94 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 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 5,963 vehicles a day, roughly 11% of them trucks, projected to reach 5,991 by 2041. The structure is 23 ft (7 m) long. If it were closed, the detour would be 9.9 mi (16 km).

CarriesRTE 9
CrossesMud Creek
Location1.5 MI N JCT Rts 9+9H
RouteU.S. Route 9
Coordinates42.19535, -73.77422
Functional classUrban Other Principal 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 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
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating66 US tons
Inventory rating40 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length23 ft (7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,963 (2021)
Projected traffic5,991 by 2041
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$627,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was RTE 9 over Mud Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is RTE 9 over Mud 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 April 2023.

How much traffic does RTE 9 over Mud Creek carry?

About 5,963 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is RTE 9 over Mud Creek?

The structure is 23 ft (7 m) long with a longest span of 10 ft (3 m).

Who owns RTE 9 over Mud Creek?

It is owned by the State Highway Agency.