US Bridges

Old Mill Road over Hunts Brook

Fair

New London County, Connecticut · 0.2 MI E of Blooingdale · Structure no. 05518

Built
1940
85 years old, rebuilt 2010
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
41 ft
1 main span
Daily traffic
717
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Old Mill Road over Hunts Brook is a steel stringer/multi-beam or girder carrying Old Mill Road over Hunts Brook in New London County, Connecticut. It was built in 1940 and reconstructed in 2010, 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 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 717 vehicles a day, roughly 2% of them trucks, projected to reach 1,065 by 2044. The structure is 41 ft (12.5 m) long and 22 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOld Mill Road
CrossesHunts Brook
Location0.2 MI E of Blooingdale
RouteCity Street 0
Coordinates41.40037, -72.11515
Functional classUrban Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment2: Basically intolerable, requiring high priority of replacement
Operating rating67.9 US tons
Inventory rating52.1 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length41 ft (12.5 m)
Longest span38 ft (11.6 m)
Deck width22 ft (6.6 m)
Roadway width18 ft (5.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic717 (2024)
Projected traffic1,065 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Old Mill Road over Hunts Brook built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2010.

What condition is Old Mill Road over Hunts 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 March 2024.

How much traffic does Old Mill Road over Hunts Brook carry?

About 717 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Old Mill Road over Hunts Brook?

The structure is 41 ft (12.5 m) long with a longest span of 38 ft (11.6 m) and a deck 22 ft wide.

Who owns Old Mill Road over Hunts Brook?

It is owned by the Town or Township Highway Agency.