US Bridges

Route 189 over Mountain Brook

Fair

Hartford County, Connecticut · 700 Feet South of SR 539 · Structure no. 05827

Built
1988
37 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
4,700
2019 count
Owner
State
State Highway Agency

About this bridge

Route 189 over Mountain Brook is a concrete culvert carrying Route 189 over Mountain Brook in Hartford County, Connecticut. It was built in 1988, so it is 37 years old, younger 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 4,700 vehicles a day, roughly 3% of them trucks, projected to reach 6,984 by 2039. The structure is 28 ft (8.5 m) long and 42 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesRoute 189
CrossesMountain Brook
Location700 Feet South of SR 539
RouteState Highway 189
CountyHartford County
StateConnecticut
Coordinates41.99423, -72.82948
Functional classRural Major Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length28 ft (8.5 m)
Longest span13 ft (4 m)
Deck width42 ft (12.7 m)
Roadway width33 ft (10.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,700 (2019)
Projected traffic6,984 by 2039
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Route 189 over Mountain Brook built?

It was built in 1988, making it 37 years old in 2025.

What condition is Route 189 over Mountain 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 April 2023.

How much traffic does Route 189 over Mountain Brook carry?

About 4,700 vehicles per day (2019 count), of which roughly 3% are trucks.

How long is Route 189 over Mountain Brook?

The structure is 28 ft (8.5 m) long with a longest span of 13 ft (4 m) and a deck 42 ft wide.

Who owns Route 189 over Mountain Brook?

It is owned by the State Highway Agency.