US Bridges

Scenic Bluff Road over Br Johnson Creek

Good

Carroll County, Illinois · 3 MI W Argo Fay · Structure no. 008400000000000

Built
1974
51 years old
Condition
Good
inspected April 2024
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Scenic Bluff Road over Br Johnson Creek is a concrete culvert carrying Scenic Bluff Road over Br Johnson Creek in Carroll County, Illinois. It was built in 1974, so it is 51 years old, older 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 75 vehicles a day, projected to reach 76 by 2046. The structure is 25 ft (7.6 m) long and 21 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesScenic Bluff Road
CrossesBr Johnson Creek
Location3 MI W Argo Fay
RouteCounty Highway 0
CountyCarroll County
StateIllinois
Coordinates42.01202, -90.07123
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36.4 US tons
Inventory rating21.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length25 ft (7.6 m)
Longest span11 ft (3.5 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$89,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Scenic Bluff Road over Br Johnson Creek built?

It was built in 1974, making it 51 years old in 2025.

What condition is Scenic Bluff Road over Br Johnson 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 April 2024.

How much traffic does Scenic Bluff Road over Br Johnson Creek carry?

About 75 vehicles per day (2021 count).

How long is Scenic Bluff Road over Br Johnson Creek?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.5 m) and a deck 21 ft wide.

Who owns Scenic Bluff Road over Br Johnson Creek?

It is owned by the Town or Township Highway Agency.