US Bridges

I-55 W FR (br CR R over Brush Creek

Fair

Sangamon County, Illinois · .7M S Il 104 Intchg · Structure no. 084000200000000

Built
1949
76 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
73 ft
1 main span
Daily traffic
150
2023 count
Owner
State
State Highway Agency

About this bridge

I-55 W FR (br CR R over Brush Creek is a steel stringer/multi-beam or girder carrying I-55 W FR (br CR R over Brush Creek in Sangamon County, Illinois. It was built in 1949, so it is 76 years old, older 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 150 vehicles a day, roughly 3% of them trucks, projected to reach 253 by 2046. The structure is 73 ft (22.3 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-55 W FR (br CR R
CrossesBrush Creek
Location.7M S Il 104 Intchg
Coordinates39.58001, -89.6469
Functional classRural Local

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating38.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length73 ft (22.3 m)
Longest span68 ft (20.7 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic150 (2023)
Projected traffic253 by 2046
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 I-55 W FR (br CR R over Brush Creek built?

It was built in 1949, making it 76 years old in 2025.

What condition is I-55 W FR (br CR R over Brush 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 June 2023.

How much traffic does I-55 W FR (br CR R over Brush Creek carry?

About 150 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is I-55 W FR (br CR R over Brush Creek?

The structure is 73 ft (22.3 m) long with a longest span of 68 ft (20.7 m) and a deck 43 ft wide.

Who owns I-55 W FR (br CR R over Brush Creek?

It is owned by the State Highway Agency.