US Bridges

Milton Road over Marshepaug River

Good

Litchfield County, Connecticut · South of Shear Shop Road · Structure no. 05152

Built
1940
85 years old
Condition
Good
inspected January 2025
Type
Arch - Deck
Steel
Length
30 ft
2 main spans
Daily traffic
477
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Milton Road over Marshepaug River is a steel arch - deck carrying Milton Road over Marshepaug River in Litchfield County, Connecticut. It was built in 1940, so it is 85 years old, older than the Connecticut average of 56.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 477 vehicles a day, roughly 2% of them trucks, projected to reach 709 by 2043. The structure is 30 ft (9.1 m) long and 30 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesMilton Road
CrossesMarshepaug River
LocationSouth of Shear Shop Road
RouteCity Street 0
Coordinates41.78928, -73.25896
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating107.1 US tons
Inventory rating107.1 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckNot applicable
Main spans2
Design loadUnknown
Structure length30 ft (9.1 m)
Longest span14 ft (4.3 m)
Deck width30 ft (9.1 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic477 (2023)
Projected traffic709 by 2043
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Milton Road over Marshepaug River built?

It was built in 1940, making it 85 years old in 2025.

What condition is Milton Road over Marshepaug River in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Milton Road over Marshepaug River carry?

About 477 vehicles per day (2023 count), of which roughly 2% are trucks.

How long is Milton Road over Marshepaug River?

The structure is 30 ft (9.1 m) long with a longest span of 14 ft (4.3 m) and a deck 30 ft wide.

Who owns Milton Road over Marshepaug River?

It is owned by the Town or Township Highway Agency.