US Bridges

TR-428 over S.Frk Sang Overflow

Good

Sangamon County, Illinois · 2.0 E New City · Structure no. 084553100000000

Built
2001
24 years old
Condition
Good
inspected March 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
100
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR-428 over S.Frk Sang Overflow is a concrete continuous culvert carrying TR-428 over S.Frk Sang Overflow in Sangamon County, Illinois. It was built in 2001, so it is 24 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 11% of them trucks, projected to reach 177 by 2046. The structure is 22 ft (6.6 m) long and 34 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR-428
CrossesS.Frk Sang Overflow
Location2.0 E New City
RouteCounty Highway 0
Coordinates39.67357, -89.49299
Functional classRural Local

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry8: Equal to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length22 ft (6.6 m)
Longest span10 ft (3.2 m)
Deck width34 ft (10.4 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2022)
Projected traffic177 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.7 mi (6 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR-428 over S.Frk Sang Overflow built?

It was built in 2001, making it 24 years old in 2025.

What condition is TR-428 over S.Frk Sang Overflow 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 2023.

How much traffic does TR-428 over S.Frk Sang Overflow carry?

About 100 vehicles per day (2022 count), of which roughly 11% are trucks.

How long is TR-428 over S.Frk Sang Overflow?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3.2 m) and a deck 34 ft wide.

Who owns TR-428 over S.Frk Sang Overflow?

It is owned by the Town or Township Highway Agency.