US Bridges

Ill 9 over Illinois River T&p RR

Fair

Tazewell County, Illinois · Ill River at Pekin · Structure no. 090011400000000

Built
1982
43 years old
Condition
Fair
inspected June 2023
Type
Orthotropic
Steel Continuous
Length
2,634 ft
3 main spans
Daily traffic
12,100
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 9 over Illinois River T&p RR is a steel continuous orthotropic carrying Ill 9 over Illinois River T&p RR in Tazewell County, Illinois. It was built in 1982, so it is 43 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 12,100 vehicles a day, roughly 9% of them trucks, projected to reach 13,635 by 2046. The structure is 2,634 ft (802.8 m) long and 84 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesIll 9
CrossesIllinois River T&p RR
LocationIll River at Pekin
RouteState Highway 9
Coordinates40.57647, -89.65957
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
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 protection7 GoodSome minor problems.
Last inspectionJune 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50.7 US tons
Inventory rating30.3 US tons

Structure

Structure typeOrthotropic
MaterialSteel Continuous
DeckSteel plate
Main spans3 (+6 approach)
Design loadHS 20
Structure length2,634 ft (802.8 m)
Longest span550 ft (167.6 m)
Deck width84 ft (25.6 m)
Roadway width78 ft (23.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,100 (2023)
Projected traffic13,635 by 2046
Trucks9%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway, waterway and railroad
Detour if closed5 mi (8 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—
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Ill 9 over Illinois River T&p RR built?

It was built in 1982, making it 43 years old in 2025.

What condition is Ill 9 over Illinois River T&p RR 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 June 2023.

How much traffic does Ill 9 over Illinois River T&p RR carry?

About 12,100 vehicles per day (2023 count), of which roughly 9% are trucks.

How long is Ill 9 over Illinois River T&p RR?

The structure is 2,634 ft (802.8 m) long with a longest span of 550 ft (167.6 m) and a deck 84 ft wide.

Who owns Ill 9 over Illinois River T&p RR?

It is owned by the State Highway Agency.