US Bridges

Bodwell Road over Cohas Brook

Fair

Hillsborough County, New Hampshire · 0.1 MI E from I-93 NB · Structure no. 016101860013400

Built
1962
63 years old
Condition
Fair
inspected July 2024
Type
Culvert
Concrete Continuous
Length
35 ft
2 main spans
Daily traffic
3,494
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Bodwell Road over Cohas Brook is a concrete continuous culvert carrying Bodwell Road over Cohas Brook in Hillsborough County, New Hampshire. It was built in 1962, so it is 63 years old, older than the New Hampshire average of 56.9 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 3,494 vehicles a day, roughly 3% of them trucks, projected to reach 5,171 by 2043. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

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CarriesBodwell Road
CrossesCohas Brook
Location0.1 MI E from I-93 NB
RouteCity Street 0
CountyHillsborough County
StateNew Hampshire
Coordinates42.95424, -71.40209
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating78.3 US tons
Inventory rating47 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,494 (2023)
Projected traffic5,171 by 2043
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$314,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Bodwell Road over Cohas Brook built?

It was built in 1962, making it 63 years old in 2025.

What condition is Bodwell Road over Cohas 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 July 2024.

How much traffic does Bodwell Road over Cohas Brook carry?

About 3,494 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Bodwell Road over Cohas Brook?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m).

Who owns Bodwell Road over Cohas Brook?

It is owned by the City or Municipal Highway Agency.