US Bridges

County Highway 08 over Brush Creek

Good

Knox County, Illinois · NE-8-T9NR2E · Structure no. 048339400000000

Built
2021
4 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
109 ft
3 main spans
Daily traffic
400
2022 count
Owner
County
County Highway Agency

About this bridge

County Highway 08 over Brush Creek is a prestressed concrete box beam or girders - multiple carrying County Highway 08 over Brush Creek in Knox County, Illinois. It was built in 2021, so it is 4 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 8 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 556 by 2046. The structure is 109 ft (33.2 m) long and 36 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty Highway 08
CrossesBrush Creek
LocationNE-8-T9NR2E
RouteCounty Highway 0
Coordinates40.78708, -90.29297
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating50 US tons
Inventory rating39.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+2 approach)
Design loadHS 25 or greater
Structure length109 ft (33.2 m)
Longest span39 ft (11.9 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2022)
Projected traffic556 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 County Highway 08 over Brush Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is County Highway 08 over Brush 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 January 2024.

How much traffic does County Highway 08 over Brush Creek carry?

About 400 vehicles per day (2022 count), of which roughly 15% are trucks.

How long is County Highway 08 over Brush Creek?

The structure is 109 ft (33.2 m) long with a longest span of 39 ft (11.9 m) and a deck 36 ft wide.

Who owns County Highway 08 over Brush Creek?

It is owned by the County Highway Agency.