US Bridges

TR 68A over Edwards River

Poor

Henry County, Illinois · 3.0 MI SW Andover · Structure no. 037325000000000

Built
1980
45 years old
Condition
Poor
inspected April 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
97 ft
3 main spans
Daily traffic
50
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 68A over Edwards River is a prestressed concrete box beam or girders - multiple carrying TR 68A over Edwards River in Henry County, Illinois. It was built in 1980, so it is 45 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 50 vehicles a day, roughly 14% of them trucks, projected to reach 54 by 2046. The structure is 97 ft (29.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 68A
CrossesEdwards River
Location3.0 MI SW Andover
RouteCounty Highway 0
Coordinates41.26616, -90.31996
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.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2020)
Projected traffic54 by 2046
Trucks14%
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 68A over Edwards River built?

It was built in 1980, making it 45 years old in 2025.

What condition is TR 68A over Edwards 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 April 2024.

How much traffic does TR 68A over Edwards River carry?

About 50 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is TR 68A over Edwards River?

The structure is 97 ft (29.6 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns TR 68A over Edwards River?

It is owned by the Town or Township Highway Agency.