US Bridges

I-72 WB over Napoleon Hollow Drw

Good

Pike County, Illinois · 4.1M W Il 100 Intchg · Structure no. 075012100000000

Built
1989
36 years old
Condition
Good
inspected August 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
265 ft
3 main spans
Daily traffic
4,950
2023 count
Owner
State
State Highway Agency

About this bridge

I-72 WB over Napoleon Hollow Drw is a steel continuous stringer/multi-beam or girder carrying I-72 WB over Napoleon Hollow Drw in Pike County, Illinois. It was built in 1989, so it is 36 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 4,950 vehicles a day, roughly 35% of them trucks, projected to reach 5,104 by 2046. The structure is 265 ft (80.8 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-72 WB
CrossesNapoleon Hollow Drw
Location4.1M W Il 100 Intchg
RouteInterstate 72
Coordinates39.68443, -90.64713
Functional classRural Principal Arterial - Interstate

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.7 US tons
Inventory rating50.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length265 ft (80.8 m)
Longest span87 ft (26.5 m)
Deck width43 ft (13.2 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,950 (2023)
Projected traffic5,104 by 2046
Trucks35%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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-72 WB over Napoleon Hollow Drw built?

It was built in 1989, making it 36 years old in 2025.

What condition is I-72 WB over Napoleon Hollow Drw 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 August 2024.

How much traffic does I-72 WB over Napoleon Hollow Drw carry?

About 4,950 vehicles per day (2023 count), of which roughly 35% are trucks.

How long is I-72 WB over Napoleon Hollow Drw?

The structure is 265 ft (80.8 m) long with a longest span of 87 ft (26.5 m) and a deck 43 ft wide.

Who owns I-72 WB over Napoleon Hollow Drw?

It is owned by the State Highway Agency.