US Bridges

Il 104 over N Fk Brower Creek

Fair

Pike County, Illinois · 4.6M W Il 107 · Structure no. 075200500000000

Built
1934
91 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
25 ft
2 main spans
Daily traffic
775
2023 count
Owner
State
State Highway Agency

About this bridge

Il 104 over N Fk Brower Creek is a concrete culvert carrying Il 104 over N Fk Brower Creek in Pike County, Illinois. It was built in 1934, so it is 91 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 775 vehicles a day, roughly 18% of them trucks, projected to reach 928 by 2046. The structure is 25 ft (7.7 m) long. If it were closed, the detour would be 18 mi (29 km).

CarriesIl 104
CrossesN Fk Brower Creek
Location4.6M W Il 107
RouteState Highway 104
Coordinates39.80723, -90.83236
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
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 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
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating98.2 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadUnknown
Structure length25 ft (7.7 m)
Longest span11 ft (3.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 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 closed18 mi (29 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 N Fk Brower Creek built?

It was built in 1934, making it 91 years old in 2025.

What condition is Il 104 over N Fk Brower 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 December 2023.

How much traffic does Il 104 over N Fk Brower Creek carry?

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

How long is Il 104 over N Fk Brower Creek?

The structure is 25 ft (7.7 m) long with a longest span of 11 ft (3.4 m).

Who owns Il 104 over N Fk Brower Creek?

It is owned by the State Highway Agency.