US Bridges

Ch 27 over Old Tom Creek

Good

Warren County, Illinois · SW1/4-33-T11NR3W · Structure no. 094303300000000

Built
2002
23 years old
Condition
Good
inspected January 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
650
2023 count
Owner
County
County Highway Agency

About this bridge

Ch 27 over Old Tom Creek is a prestressed concrete box beam or girders - multiple carrying Ch 27 over Old Tom Creek in Warren County, Illinois. It was built in 2002, so it is 23 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 650 vehicles a day, roughly 3% of them trucks, projected to reach 758 by 2046. The structure is 63 ft (19.1 m) long and 32 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCh 27
CrossesOld Tom Creek
LocationSW1/4-33-T11NR3W
RouteCounty Highway 0
Coordinates40.89666, -90.74816
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length63 ft (19.1 m)
Longest span59 ft (18 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic650 (2023)
Projected traffic758 by 2046
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Ch 27 over Old Tom Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Ch 27 over Old Tom 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 Ch 27 over Old Tom Creek carry?

About 650 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is Ch 27 over Old Tom Creek?

The structure is 63 ft (19.1 m) long with a longest span of 59 ft (18 m) and a deck 32 ft wide.

Who owns Ch 27 over Old Tom Creek?

It is owned by the County Highway Agency.