US Bridges

Ill 29 over Il River Tributary

Fair

Peoria County, Illinois · .1 MI S Mossville RD · Structure no. 072019800000000

Built
2009
16 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
76 ft
1 main span
Daily traffic
11,400
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 29 over Il River Tributary is a steel stringer/multi-beam or girder carrying Ill 29 over Il River Tributary in Peoria County, Illinois. It was built in 2009, so it is 16 years old, younger 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 11,400 vehicles a day, roughly 7% of them trucks, projected to reach 9,494 by 2046. The structure is 76 ft (23.2 m) long and 87 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesIll 29
CrossesIl River Tributary
Location.1 MI S Mossville RD
RouteState Highway 29
CountyPeoria County
StateIllinois
Coordinates40.81375, -89.56822
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating51 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length76 ft (23.2 m)
Longest span73 ft (22.4 m)
Deck width87 ft (26.6 m)
Roadway width84 ft (25.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,400 (2023)
Projected traffic9,494 by 2046
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 Il River Tributary built?

It was built in 2009, making it 16 years old in 2025.

What condition is Ill 29 over Il River Tributary 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 December 2023.

How much traffic does Ill 29 over Il River Tributary carry?

About 11,400 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is Ill 29 over Il River Tributary?

The structure is 76 ft (23.2 m) long with a longest span of 73 ft (22.4 m) and a deck 87 ft wide.

Who owns Ill 29 over Il River Tributary?

It is owned by the State Highway Agency.