US Bridges

Manrow Road over North Brook

PoorPosted for load

Cayuga County, New York · 2 MI North of Auburn · Structure no. 000000002207000

Built
1957
68 years old
Condition
Poor
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
34 ft
1 main span
Daily traffic
36
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Manrow Road over North Brook is a steel stringer/multi-beam or girder carrying Manrow Road over North Brook in Cayuga County, New York. It was built in 1957, so it is 68 years old, older than the New York average of 53 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 36 vehicles a day, roughly 9% of them trucks, projected to reach 50 by 2041. The structure is 34 ft (10.4 m) long and 20 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesManrow Road
CrossesNorth Brook
Location2 MI North of Auburn
Coordinates42.99225, -76.57895
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 12 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckOpen grating
Main spans1
Design loadUnknown
Structure length34 ft (10.4 m)
Longest span32 ft (9.7 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic36 (2021)
Projected traffic50 by 2041
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedDeck replacement with only incidental widening
Estimated improvement cost$371,000 (2024 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Manrow Road over North Brook built?

It was built in 1957, making it 68 years old in 2025.

What condition is Manrow Road over North Brook in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2024.

How much traffic does Manrow Road over North Brook carry?

About 36 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is Manrow Road over North Brook?

The structure is 34 ft (10.4 m) long with a longest span of 32 ft (9.7 m) and a deck 20 ft wide.

Who owns Manrow Road over North Brook?

It is owned by the Town or Township Highway Agency.