US Bridges

Main Street over CSX Pedestrian

Fair

Strafford County, New Hampshire · 1.6 MI SE Lee T.L. · Structure no. 007000950012100

Built
1936
89 years old
Condition
Fair
inspected September 2023
Type
Frame
Concrete
Length
43 ft
1 main span
Daily traffic
7,773
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Main Street over CSX Pedestrian is a concrete frame carrying Main Street over CSX Pedestrian in Strafford County, New Hampshire. It was built in 1936, so it is 89 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 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 7,773 vehicles a day, roughly 5% of them trucks, projected to reach 11,504 by 2043. The structure is 43 ft (13.1 m) long and 53 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesMain Street
CrossesCSX Pedestrian
Location1.6 MI SE Lee T.L.
RouteCity Street 0
Coordinates43.13896, -70.93635
Functional classUrban Minor 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.2 US tons
Inventory rating50.6 US tons

Structure

Structure typeFrame
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length43 ft (13.1 m)
Longest span37 ft (11.3 m)
Deck width53 ft (16.2 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,773 (2023)
Projected traffic11,504 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
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)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Main Street over CSX Pedestrian built?

It was built in 1936, making it 89 years old in 2025.

What condition is Main Street over CSX Pedestrian 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 September 2023.

How much traffic does Main Street over CSX Pedestrian carry?

About 7,773 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Main Street over CSX Pedestrian?

The structure is 43 ft (13.1 m) long with a longest span of 37 ft (11.3 m) and a deck 53 ft wide.

Who owns Main Street over CSX Pedestrian?

It is owned by the City or Municipal Highway Agency.