US Bridges

TR 266 over South Edwards River

Good

Henry County, Illinois · 2 MI E Bishop Hill · Structure no. 037323200000000

Built
1977
48 years old
Condition
Good
inspected August 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
63 ft
1 main span
Daily traffic
50
2010 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 266 over South Edwards River is a prestressed concrete box beam or girders - multiple carrying TR 266 over South Edwards River in Henry 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 50 vehicles a day, roughly 40% of them trucks, projected to reach 54 by 2046. The structure is 63 ft (19.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesTR 266
CrossesSouth Edwards River
Location2 MI E Bishop Hill
RouteCounty Highway 0
Coordinates41.19655, -90.08011
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 48 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 alignment7: Better than present minimum criteria
Operating rating70.8 US tons
Inventory rating42.5 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length63 ft (19.2 m)
Longest span62 ft (18.9 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2010)
Projected traffic54 by 2046
Trucks40%
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 266 over South Edwards River built?

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

What condition is TR 266 over South Edwards River 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 August 2023.

How much traffic does TR 266 over South Edwards River carry?

About 50 vehicles per day (2010 count), of which roughly 40% are trucks.

How long is TR 266 over South Edwards River?

The structure is 63 ft (19.2 m) long with a longest span of 62 ft (18.9 m) and a deck 24 ft wide.

Who owns TR 266 over South Edwards River?

It is owned by the Town or Township Highway Agency.