US Bridges

TR 90 over Simon CR

Good

Calhoun County, Illinois · 7.6 MI S of Hamburg · Structure no. 007307800000000

Built
2011
14 years old
Condition
Good
inspected May 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
43 ft
1 main span
Daily traffic
175
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 90 over Simon CR is a prestressed concrete box beam or girders - multiple carrying TR 90 over Simon CR in Calhoun County, Illinois. It was built in 2011, so it is 14 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 7 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 19% of them trucks, projected to reach 152 by 2046. The structure is 43 ft (13 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesTR 90
CrossesSimon CR
Location7.6 MI S of Hamburg
RouteCounty Highway 0
CountyCalhoun County
StateIllinois
Coordinates39.14324, -90.67672
Functional classRural Minor Collector

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length43 ft (13 m)
Longest span41 ft (12.5 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic175 (2022)
Projected traffic152 by 2046
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 TR 90 over Simon CR built?

It was built in 2011, making it 14 years old in 2025.

What condition is TR 90 over Simon CR 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 May 2022.

How much traffic does TR 90 over Simon CR carry?

About 175 vehicles per day (2022 count), of which roughly 19% are trucks.

How long is TR 90 over Simon CR?

The structure is 43 ft (13 m) long with a longest span of 41 ft (12.5 m) and a deck 24 ft wide.

Who owns TR 90 over Simon CR?

It is owned by the Town or Township Highway Agency.