US Bridges

Il 123 over Trib Fancy Creek

Good

Sangamon County, Illinois · 2.3M W I55 Williamsv · Structure no. 084202200000000

Built
1991
34 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
2,300
2023 count
Owner
State
State Highway Agency

About this bridge

Il 123 over Trib Fancy Creek is a concrete continuous culvert carrying Il 123 over Trib Fancy Creek in Sangamon County, Illinois. It was built in 1991, so it is 34 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 2,300 vehicles a day, roughly 10% of them trucks, projected to reach 2,020 by 2046. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 8.1 mi (13 km).

CarriesIl 123
CrossesTrib Fancy Creek
Location2.3M W I55 Williamsv
RouteState Highway 123
Coordinates39.96145, -89.59711
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.5 US tons
Inventory rating43.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2023)
Projected traffic2,020 by 2046
Trucks10%
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

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 Il 123 over Trib Fancy Creek built?

It was built in 1991, making it 34 years old in 2025.

What condition is Il 123 over Trib Fancy Creek 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 September 2023.

How much traffic does Il 123 over Trib Fancy Creek carry?

About 2,300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 123 over Trib Fancy Creek?

The structure is 22 ft (6.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Il 123 over Trib Fancy Creek?

It is owned by the State Highway Agency.