US Bridges

TR 17 over Sangamon River

Poor

Champaign County, Illinois · 4.5 MI NW Fisher · Structure no. 010427600000000

Built
1984
41 years old
Condition
Poor
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
143 ft
3 main spans
Daily traffic
75
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 17 over Sangamon River is a prestressed concrete box beam or girders - multiple carrying TR 17 over Sangamon River in Champaign County, Illinois. It was built in 1984, so it is 41 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 75 vehicles a day, projected to reach 76 by 2046. The structure is 143 ft (43.6 m) long and 27 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 17
CrossesSangamon River
Location4.5 MI NW Fisher
RouteCounty Highway 0
Coordinates40.3765, -88.38435
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating59 US tons
Inventory rating35.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length143 ft (43.6 m)
Longest span55 ft (16.8 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2021)
Projected traffic76 by 2046
Trucks0%
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

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 17 over Sangamon River built?

It was built in 1984, making it 41 years old in 2025.

What condition is TR 17 over Sangamon River in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does TR 17 over Sangamon River carry?

About 75 vehicles per day (2021 count).

How long is TR 17 over Sangamon River?

The structure is 143 ft (43.6 m) long with a longest span of 55 ft (16.8 m) and a deck 27 ft wide.

Who owns TR 17 over Sangamon River?

It is owned by the Town or Township Highway Agency.