US Bridges

County HWY 6 over Sugar Creek

Good

Sangamon County, Illinois · S of Thayer · Structure no. 084343100000000

Built
2002
23 years old
Condition
Good
inspected March 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
101 ft
2 main spans
Daily traffic
500
2022 count
Owner
County
County Highway Agency

About this bridge

County HWY 6 over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying County HWY 6 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 500 vehicles a day, roughly 22% of them trucks, projected to reach 530 by 2046. The structure is 101 ft (30.8 m) long and 40 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesCounty HWY 6
CrossesSugar Creek
LocationS of Thayer
RouteCounty Highway 0
CountySangamon County
StateIllinois
Coordinates39.53855, -89.768
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry8: Equal to present desirable criteria
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 spans2
Design loadHS 20
Structure length101 ft (30.8 m)
Longest span62 ft (18.8 m)
Deck width40 ft (12.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic530 by 2046
Trucks22%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 6 over Sugar Creek built?

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

What condition is County HWY 6 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 March 2021.

How much traffic does County HWY 6 over Sugar Creek carry?

About 500 vehicles per day (2022 count), of which roughly 22% are trucks.

How long is County HWY 6 over Sugar Creek?

The structure is 101 ft (30.8 m) long with a longest span of 62 ft (18.8 m) and a deck 40 ft wide.

Who owns County HWY 6 over Sugar Creek?

It is owned by the County Highway Agency.