US Bridges

Ill 29 over Crow Creek

Fair

Peoria County, Illinois · 3 MI N of Sparland · Structure no. 062000400000000

Built
1944
81 years old, rebuilt 1993
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
240 ft
4 main spans
Daily traffic
3,050
2021 count
Owner
State
State Highway Agency

About this bridge

Ill 29 over Crow Creek is a steel continuous stringer/multi-beam or girder carrying Ill 29 over Crow Creek in Peoria County, Illinois. It was built in 1944 and reconstructed in 1993, so it is 81 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 5 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 3,050 vehicles a day, roughly 12% of them trucks, projected to reach 3,081 by 2046. The structure is 240 ft (73 m) long and 43 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesIll 29
CrossesCrow Creek
Location3 MI N of Sparland
RouteState Highway 29
Coordinates41.07037, -89.41872
Functional classRural Principal Arterial - Other

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating74.6 US tons
Inventory rating40.3 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length240 ft (73 m)
Longest span66 ft (20 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2021)
Projected traffic3,081 by 2046
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill 29 over Crow Creek built?

It was built in 1944, making it 81 years old in 2025. It was reconstructed in 1993.

What condition is Ill 29 over Crow 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 November 2023.

How much traffic does Ill 29 over Crow Creek carry?

About 3,050 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Ill 29 over Crow Creek?

The structure is 240 ft (73 m) long with a longest span of 66 ft (20 m) and a deck 43 ft wide.

Who owns Ill 29 over Crow Creek?

It is owned by the State Highway Agency.