US Bridges

CO HWY 26 FAS-350 over Trib to Rooks Creek

Fair

Livingston County, Illinois · 1.5 MI N of Chenoa · Structure no. 053301300000000

Built
1956
69 years old
Condition
Fair
inspected July 2024
Type
Slab
Concrete Continuous
Length
64 ft
2 main spans
Daily traffic
225
2023 count
Owner
County
County Highway Agency

About this bridge

CO HWY 26 FAS-350 over Trib to Rooks Creek is a concrete continuous slab carrying CO HWY 26 FAS-350 over Trib to Rooks Creek in Livingston County, Illinois. It was built in 1956, so it is 69 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 225 vehicles a day, roughly 30% of them trucks, projected to reach 177 by 2046. The structure is 64 ft (19.5 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCO HWY 26 FAS-350
CrossesTrib to Rooks Creek
Location1.5 MI N of Chenoa
RouteCounty Highway 0
Coordinates40.76778, -88.71872
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.3 US tons
Inventory rating26.5 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 15
Structure length64 ft (19.5 m)
Longest span30 ft (9.1 m)
Deck width28 ft (8.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic225 (2023)
Projected traffic177 by 2046
Trucks30%
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

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 CO HWY 26 FAS-350 over Trib to Rooks Creek built?

It was built in 1956, making it 69 years old in 2025.

What condition is CO HWY 26 FAS-350 over Trib to Rooks 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 July 2024.

How much traffic does CO HWY 26 FAS-350 over Trib to Rooks Creek carry?

About 225 vehicles per day (2023 count), of which roughly 30% are trucks.

How long is CO HWY 26 FAS-350 over Trib to Rooks Creek?

The structure is 64 ft (19.5 m) long with a longest span of 30 ft (9.1 m) and a deck 28 ft wide.

Who owns CO HWY 26 FAS-350 over Trib to Rooks Creek?

It is owned by the County Highway Agency.