US Bridges

US202 over CSX

Fair

Merrimack County, New Hampshire · .1 Mi. West of JCT I-93 · Structure no. 005201520010400

Built
1949
76 years old, rebuilt 1982
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
141 ft
3 main spans
Daily traffic
45,555
2023 count
Owner
State
State Highway Agency

About this bridge

US202 over CSX is a steel continuous stringer/multi-beam or girder carrying US202 over CSX in Merrimack County, New Hampshire. It was built in 1949 and reconstructed in 1982, so it is 76 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 45,555 vehicles a day, roughly 5% of them trucks, projected to reach 67,421 by 2043. The structure is 141 ft (43 m) long and 85 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesUS202
CrossesCSX
Location.1 Mi. West of JCT I-93
RouteState Highway 202
CountyMerrimack County
StateNew Hampshire
Coordinates43.21491, -71.53913
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.2 US tons
Inventory rating27.2 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length141 ft (43 m)
Longest span63 ft (19.2 m)
Deck width85 ft (25.9 m)
Roadway width70 ft (21.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45,555 (2023)
Projected traffic67,421 by 2043
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesRailroad
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 US202 over CSX built?

It was built in 1949, making it 76 years old in 2025. It was reconstructed in 1982.

What condition is US202 over CSX 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 May 2023.

How much traffic does US202 over CSX carry?

About 45,555 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is US202 over CSX?

The structure is 141 ft (43 m) long with a longest span of 63 ft (19.2 m) and a deck 85 ft wide.

Who owns US202 over CSX?

It is owned by the State Highway Agency.