US Bridges

Ill 29 over Lost Creek

Fair

Tazewell County, Illinois · 1.5 MI S of Pekin · Structure no. 090011200000000

Built
1976
49 years old
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
86 ft
3 main spans
Daily traffic
5,700
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 29 over Lost Creek is a concrete continuous slab carrying Ill 29 over Lost Creek in Tazewell County, Illinois. It was built in 1976, so it is 49 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 5,700 vehicles a day, roughly 9% of them trucks, projected to reach 5,909 by 2046. The structure is 86 ft (26.2 m) long and 32 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

Location

Open in Google Maps
CarriesIll 29
CrossesLost Creek
Location1.5 MI S of Pekin
RouteState Highway 29
CountyTazewell County
StateIllinois
Coordinates40.52941, -89.66446
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating58.5 US tons
Inventory rating35.1 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length86 ft (26.2 m)
Longest span32 ft (9.8 m)
Deck width32 ft (9.9 m)
Roadway width31 ft (9.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,700 (2023)
Projected traffic5,909 by 2046
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$554,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Ill 29 over Lost Creek built?

It was built in 1976, making it 49 years old in 2025.

What condition is Ill 29 over Lost 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 August 2023.

How much traffic does Ill 29 over Lost Creek carry?

About 5,700 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ill 29 over Lost Creek?

The structure is 86 ft (26.2 m) long with a longest span of 32 ft (9.8 m) and a deck 32 ft wide.

Who owns Ill 29 over Lost Creek?

It is owned by the State Highway Agency.