US Bridges

CO HWY 17 FAS 249 over Crow Creek

Good

Bureau County, Illinois · 9 MI S of Tiskilwa · Structure no. 006323100000000

Built
2008
17 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
128 ft
1 main span
Daily traffic
175
2020 count
Owner
County
County Highway Agency

About this bridge

CO HWY 17 FAS 249 over Crow Creek is a steel continuous stringer/multi-beam or girder carrying CO HWY 17 FAS 249 over Crow Creek in Bureau County, Illinois. It was built in 2008, so it is 17 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 175 vehicles a day, roughly 21% of them trucks, projected to reach 177 by 2046. The structure is 128 ft (39 m) long and 30 ft wide.

CarriesCO HWY 17 FAS 249
CrossesCrow Creek
Location9 MI S of Tiskilwa
RouteCounty Highway 0
Coordinates41.16354, -89.50529
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 protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length128 ft (39 m)
Longest span123 ft (37.5 m)
Deck width30 ft (9.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2020)
Projected traffic177 by 2046
Trucks21%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 17 FAS 249 over Crow Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is CO HWY 17 FAS 249 over Crow 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 March 2023.

How much traffic does CO HWY 17 FAS 249 over Crow Creek carry?

About 175 vehicles per day (2020 count), of which roughly 21% are trucks.

How long is CO HWY 17 FAS 249 over Crow Creek?

The structure is 128 ft (39 m) long with a longest span of 123 ft (37.5 m) and a deck 30 ft wide.

Who owns CO HWY 17 FAS 249 over Crow Creek?

It is owned by the County Highway Agency.