US Bridges

Harrison Road over Munger Brook

Good

New Haven County, Connecticut · 0.2 MI East of Route 139 · Structure no. 05839

Built
1985
40 years old
Condition
Good
inspected October 2021
Type
Culvert
Concrete
Length
26 ft
2 main spans
Daily traffic
1,135
2017 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Harrison Road over Munger Brook is a concrete culvert carrying Harrison Road over Munger Brook in New Haven County, Connecticut. It was built in 1985, so it is 40 years old, younger 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 1,135 vehicles a day, roughly 2% of them trucks, projected to reach 1,686 by 2037. The structure is 26 ft (7.9 m) long and 34 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesHarrison Road
CrossesMunger Brook
Location0.2 MI East of Route 139
RouteCity Street 0
CountyNew Haven County
StateConnecticut
Coordinates41.32274, -72.76739
Functional classUrban Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckOther
Main spans2
Design loadUnknown
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.3 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,135 (2017)
Projected traffic1,686 by 2037
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 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 Harrison Road over Munger Brook built?

It was built in 1985, making it 40 years old in 2025.

What condition is Harrison Road over Munger Brook 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 October 2021.

How much traffic does Harrison Road over Munger Brook carry?

About 1,135 vehicles per day (2017 count), of which roughly 2% are trucks.

How long is Harrison Road over Munger Brook?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns Harrison Road over Munger Brook?

It is owned by the Town or Township Highway Agency.