US Bridges

Il 146-FAP 885 over Miller Creek

Good

Pope County, Illinois · W of Wcl Golconda · Structure no. 076002700000000

Built
2002
23 years old
Condition
Good
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
266 ft
3 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 146-FAP 885 over Miller Creek is a steel continuous stringer/multi-beam or girder carrying Il 146-FAP 885 over Miller Creek in Pope County, Illinois. It was built in 2002, so it is 23 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 1,550 vehicles a day, roughly 10% of them trucks, projected to reach 2,222 by 2046. The structure is 266 ft (81.2 m) long and 39 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesIl 146-FAP 885
CrossesMiller Creek
LocationW of Wcl Golconda
RouteState Highway 146
Coordinates37.36826, -88.4926
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionMay 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 adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating47.2 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length266 ft (81.2 m)
Longest span106 ft (32.3 m)
Deck width39 ft (11.9 m)
Roadway width36 ft (10.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic2,222 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 146-FAP 885 over Miller Creek built?

It was built in 2002, making it 23 years old in 2025.

What condition is Il 146-FAP 885 over Miller Creek 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 May 2023.

How much traffic does Il 146-FAP 885 over Miller Creek carry?

About 1,550 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Il 146-FAP 885 over Miller Creek?

The structure is 266 ft (81.2 m) long with a longest span of 106 ft (32.3 m) and a deck 39 ft wide.

Who owns Il 146-FAP 885 over Miller Creek?

It is owned by the State Highway Agency.