US Bridges

Rt Bb E over Island CR

Fair

Gentry County, Missouri · S 7 T 61 N R 32 W · Structure no. 7436

Built
1960
65 years old, rebuilt 2008
Condition
Fair
inspected November 2023
Type
Tee Beam
Prestressed Concrete Continuous
Length
90 ft
3 main spans
Daily traffic
151
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Bb E over Island CR is a prestressed concrete continuous tee beam carrying Rt Bb E over Island CR in Gentry County, Missouri. It was built in 1960 and reconstructed in 2008, so it is 65 years old, older than the Missouri average of 45.1 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 151 vehicles a day, roughly 11% of them trucks, projected to reach 196 by 2044. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 14.3 mi (23 km).

Location

Open in Google Maps
CarriesRt Bb E
CrossesIsland CR
LocationS 7 T 61 N R 32 W
RouteState Highway 0BB
CountyGentry County
StateMissouri
Coordinates40.10461, -94.56002
Functional classRural Minor 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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length90 ft (27.4 m)
Longest span34 ft (10.4 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2024)
Projected traffic196 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.3 mi (23 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 Rt Bb E over Island CR built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 2008.

What condition is Rt Bb E over Island CR 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 Rt Bb E over Island CR carry?

About 151 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt Bb E over Island CR?

The structure is 90 ft (27.4 m) long with a longest span of 34 ft (10.4 m) and a deck 25 ft wide.

Who owns Rt Bb E over Island CR?

It is owned by the State Highway Agency.