US Bridges

Ill 71 over Coffee Creek

Fair

Putnam County, Illinois · 0.6MI E of Il 26 · Structure no. 078003500000000

Built
1993
32 years old
Condition
Fair
inspected January 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
109 ft
1 main span
Daily traffic
3,400
2021 count
Owner
State
State Highway Agency

About this bridge

Ill 71 over Coffee Creek is a prestressed concrete stringer/multi-beam or girder carrying Ill 71 over Coffee Creek in Putnam County, Illinois. It was built in 1993, so it is 32 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 3,400 vehicles a day, roughly 27% of them trucks, projected to reach 3,536 by 2046. The structure is 109 ft (33.2 m) long and 43 ft wide.

CarriesIll 71
CrossesCoffee Creek
Location0.6MI E of Il 26
RouteState Highway 71
Coordinates41.25683, -89.31559
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating83.6 US tons
Inventory rating45.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length109 ft (33.2 m)
Longest span108 ft (32.9 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,400 (2021)
Projected traffic3,536 by 2046
Trucks27%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Ill 71 over Coffee Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Ill 71 over Coffee Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2023.

How much traffic does Ill 71 over Coffee Creek carry?

About 3,400 vehicles per day (2021 count), of which roughly 27% are trucks.

How long is Ill 71 over Coffee Creek?

The structure is 109 ft (33.2 m) long with a longest span of 108 ft (32.9 m) and a deck 43 ft wide.

Who owns Ill 71 over Coffee Creek?

It is owned by the State Highway Agency.