US Bridges

CO HWY No 6 over Br of Weaver Creek

Good

Washington County, Illinois · 2 MI S of Okawville · Structure no. 095315600000000

Built
1982
43 years old
Condition
Good
inspected March 2023
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
400
2024 count
Owner
County
County Highway Agency

About this bridge

CO HWY No 6 over Br of Weaver Creek is a concrete channel beam carrying CO HWY No 6 over Br of Weaver Creek in Washington County, Illinois. It was built in 1982, so it is 43 years old, younger than the Illinois average of 45.3 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 400 vehicles a day, roughly 15% of them trucks, projected to reach 363 by 2046. The structure is 31 ft (9.4 m) long and 26 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCO HWY No 6
CrossesBr of Weaver Creek
Location2 MI S of Okawville
RouteCounty Highway 0
Coordinates38.39281, -89.55736
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length31 ft (9.4 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2024)
Projected traffic363 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 CO HWY No 6 over Br of Weaver Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is CO HWY No 6 over Br of Weaver Creek 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 March 2023.

How much traffic does CO HWY No 6 over Br of Weaver Creek carry?

About 400 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is CO HWY No 6 over Br of Weaver Creek?

The structure is 31 ft (9.4 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns CO HWY No 6 over Br of Weaver Creek?

It is owned by the County Highway Agency.