US Bridges

Brookville Road over Rock Creek

Fair

Carroll County, Illinois · 3 MI NE Chadwick · Structure no. 008380500000000

Built
1967
58 years old
Condition
Fair
inspected August 2024
Type
Slab
Concrete Continuous
Length
64 ft
3 main spans
Daily traffic
25
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Brookville Road over Rock Creek is a concrete continuous slab carrying Brookville Road over Rock Creek in Carroll County, Illinois. It was built in 1967, so it is 58 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 25 vehicles a day, projected to reach 25 by 2046. The structure is 64 ft (19.5 m) long and 27 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesBrookville Road
CrossesRock Creek
Location3 MI NE Chadwick
RouteCounty Highway 0
CountyCarroll County
StateIllinois
Coordinates42.05174, -89.83377
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span24 ft (7.3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2021)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Brookville Road over Rock Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Brookville Road over Rock Creek 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 August 2024.

How much traffic does Brookville Road over Rock Creek carry?

About 25 vehicles per day (2021 count).

How long is Brookville Road over Rock Creek?

The structure is 64 ft (19.5 m) long with a longest span of 24 ft (7.3 m) and a deck 27 ft wide.

Who owns Brookville Road over Rock Creek?

It is owned by the Town or Township Highway Agency.