US Bridges

TR 23A over Brooks Creek Trib

Good

McLean County, Illinois · 3000N 2991E · Structure no. 057371000000000

Built
2003
22 years old
Condition
Good
inspected March 2024
Type
Slab
Concrete Continuous
Length
63 ft
3 main spans
Daily traffic
100
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 23A over Brooks Creek Trib is a concrete continuous slab carrying TR 23A over Brooks Creek Trib in McLean County, Illinois. It was built in 2003, so it is 22 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 100 vehicles a day, roughly 23% of them trucks, projected to reach 76 by 2046. The structure is 63 ft (19.1 m) long and 28 ft wide.

CarriesTR 23A
CrossesBrooks Creek Trib
Location3000N 2991E
RouteCounty Highway 0
Coordinates40.72716, -88.70229
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span23 ft (7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic76 by 2046
Trucks23%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 TR 23A over Brooks Creek Trib built?

It was built in 2003, making it 22 years old in 2025.

What condition is TR 23A over Brooks Creek Trib 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 2024.

How much traffic does TR 23A over Brooks Creek Trib carry?

About 100 vehicles per day (2024 count), of which roughly 23% are trucks.

How long is TR 23A over Brooks Creek Trib?

The structure is 63 ft (19.1 m) long with a longest span of 23 ft (7 m) and a deck 28 ft wide.

Who owns TR 23A over Brooks Creek Trib?

It is owned by the Town or Township Highway Agency.