US Bridges

Route 154 over Bible Rock Brook

Fair

Middlesex County, Connecticut · 0.7 MI S of Ssr 410 · Structure no. 05943

Built
1939
86 years old, rebuilt 1990
Condition
Fair
inspected November 2023
Type
Slab
Prestressed Concrete
Length
26 ft
1 main span
Daily traffic
17,500
2022 count
Owner
State
State Highway Agency

About this bridge

Route 154 over Bible Rock Brook is a prestressed concrete slab carrying Route 154 over Bible Rock Brook in Middlesex County, Connecticut. It was built in 1939 and reconstructed in 1990, so it is 86 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 17,500 vehicles a day, roughly 5% of them trucks, projected to reach 26,003 by 2042. The structure is 26 ft (7.9 m) long and 44 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRoute 154
CrossesBible Rock Brook
Location0.7 MI S of Ssr 410
RouteState Highway 154
Coordinates41.50717, -72.58283
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.9 US tons
Inventory rating45 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span22 ft (6.7 m)
Deck width44 ft (13.4 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,500 (2022)
Projected traffic26,003 by 2042
Trucks5%
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

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 154 over Bible Rock Brook built?

It was built in 1939, making it 86 years old in 2025. It was reconstructed in 1990.

What condition is Route 154 over Bible Rock 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 November 2023.

How much traffic does Route 154 over Bible Rock Brook carry?

About 17,500 vehicles per day (2022 count), of which roughly 5% are trucks.

How long is Route 154 over Bible Rock Brook?

The structure is 26 ft (7.9 m) long with a longest span of 22 ft (6.7 m) and a deck 44 ft wide.

Who owns Route 154 over Bible Rock Brook?

It is owned by the State Highway Agency.