US Bridges

County HWY 12 over Sugar Creek

Good

Sangamon County, Illinois · 2.0 E Spfld · Structure no. 084342000000000

Built
2002
23 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
421 ft
4 main spans
Daily traffic
2,950
2022 count
Owner
County
County Highway Agency

About this bridge

County HWY 12 over Sugar Creek is a steel continuous stringer/multi-beam or girder carrying County HWY 12 over Sugar Creek in Sangamon County, Illinois. It was built in 2002, so it is 23 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 2,950 vehicles a day, roughly 4% of them trucks, projected to reach 3,384 by 2046. The structure is 421 ft (128.3 m) long and 39 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCounty HWY 12
CrossesSugar Creek
Location2.0 E Spfld
CountySangamon County
StateIllinois
Coordinates39.80253, -89.57495
Functional classUrban 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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2024
Inspection intervalevery 24 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 typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length421 ft (128.3 m)
Longest span115 ft (35 m)
Deck width39 ft (12 m)
Roadway width39 ft (12 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,950 (2022)
Projected traffic3,384 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County HWY 12 over Sugar Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is County HWY 12 over Sugar 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 April 2024.

How much traffic does County HWY 12 over Sugar Creek carry?

About 2,950 vehicles per day (2022 count), of which roughly 4% are trucks.

How long is County HWY 12 over Sugar Creek?

The structure is 421 ft (128.3 m) long with a longest span of 115 ft (35 m) and a deck 39 ft wide.

Who owns County HWY 12 over Sugar Creek?

It is owned by the County Highway Agency.