US Bridges

Barstow Road over Drainage Ditch

Fair

Rock Island County, Illinois · 1.2 MI W Ill 5 & 92 · Structure no. 081008600000000

Built
1938
87 years old, rebuilt 1989
Condition
Fair
inspected October 2022
Type
Slab
Concrete
Length
27 ft
1 main span
Daily traffic
525
2023 count
Owner
County
County Highway Agency

About this bridge

Barstow Road over Drainage Ditch is a concrete slab carrying Barstow Road over Drainage Ditch in Rock Island County, Illinois. It was built in 1938 and reconstructed in 1989, so it is 87 years old, older than the Illinois average of 45.3 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 525 vehicles a day, roughly 4% of them trucks, projected to reach 581 by 2046. The structure is 27 ft (8.1 m) long and 37 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesBarstow Road
CrossesDrainage Ditch
Location1.2 MI W Ill 5 & 92
CountyRock Island County
StateIllinois
Coordinates41.51235, -90.37192
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 protection7 GoodSome minor problems.
Last inspectionOctober 2022
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating62.2 US tons
Inventory rating37.1 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length27 ft (8.1 m)
Longest span25 ft (7.6 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic525 (2023)
Projected traffic581 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Barstow Road over Drainage Ditch built?

It was built in 1938, making it 87 years old in 2025. It was reconstructed in 1989.

What condition is Barstow Road over Drainage Ditch 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 October 2022.

How much traffic does Barstow Road over Drainage Ditch carry?

About 525 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is Barstow Road over Drainage Ditch?

The structure is 27 ft (8.1 m) long with a longest span of 25 ft (7.6 m) and a deck 37 ft wide.

Who owns Barstow Road over Drainage Ditch?

It is owned by the County Highway Agency.