US Bridges

TR 303 over Sugar Fk

Good

Madison County, Illinois · 1.5 MI N ST Jacob · Structure no. 060322600000000

Built
1977
48 years old
Condition
Good
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
157 ft
3 main spans
Daily traffic
250
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 303 over Sugar Fk is a prestressed concrete box beam or girders - multiple carrying TR 303 over Sugar Fk in Madison County, Illinois. It was built in 1977, so it is 48 years old, older 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 250 vehicles a day, roughly 10% of them trucks, projected to reach 268 by 2046. The structure is 157 ft (47.9 m) long and 31 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 303
CrossesSugar Fk
Location1.5 MI N ST Jacob
RouteCounty Highway 0
Coordinates38.74261, -89.77161
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56.1 US tons
Inventory rating33.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length157 ft (47.9 m)
Longest span51 ft (15.5 m)
Deck width31 ft (9.3 m)
Roadway width29 ft (8.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2021)
Projected traffic268 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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—
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 303 over Sugar Fk built?

It was built in 1977, making it 48 years old in 2025.

What condition is TR 303 over Sugar Fk 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 TR 303 over Sugar Fk carry?

About 250 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is TR 303 over Sugar Fk?

The structure is 157 ft (47.9 m) long with a longest span of 51 ft (15.5 m) and a deck 31 ft wide.

Who owns TR 303 over Sugar Fk?

It is owned by the Town or Township Highway Agency.