US Bridges

Il 104 over Brower CR

Good

Pike County, Illinois · 5 M W of Il 107 · Structure no. 075051100000000

Built
2015
10 years old
Condition
Good
inspected October 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
89 ft
1 main span
Daily traffic
775
2023 count
Owner
State
State Highway Agency

About this bridge

Il 104 over Brower CR is a steel continuous stringer/multi-beam or girder carrying Il 104 over Brower CR in Pike County, Illinois. It was built in 2015, so it is 10 years old, younger 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 775 vehicles a day, roughly 18% of them trucks, projected to reach 928 by 2046. The structure is 89 ft (27.1 m) long and 39 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIl 104
CrossesBrower CR
Location5 M W of Il 107
RouteState Highway 104
Coordinates39.80751, -90.84174
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionOctober 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.1 US tons
Inventory rating54.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans1
Design loadHS 25 or greater
Structure length89 ft (27.1 m)
Longest span83 ft (25.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic775 (2023)
Projected traffic928 by 2046
Trucks18%
Lanes on structure2
Traffic directionTwo-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 Il 104 over Brower CR built?

It was built in 2015, making it 10 years old in 2025.

What condition is Il 104 over Brower CR 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 October 2021.

How much traffic does Il 104 over Brower CR carry?

About 775 vehicles per day (2023 count), of which roughly 18% are trucks.

How long is Il 104 over Brower CR?

The structure is 89 ft (27.1 m) long with a longest span of 83 ft (25.3 m) and a deck 39 ft wide.

Who owns Il 104 over Brower CR?

It is owned by the State Highway Agency.