US Bridges

Ill 96 over Howell Hollow Creek

Good

Calhoun County, Illinois · 8.6 MI N Mozier · Structure no. 007002300000000

Built
1999
26 years old
Condition
Good
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
75 ft
1 main span
Daily traffic
700
2023 count
Owner
State
State Highway Agency

About this bridge

Ill 96 over Howell Hollow Creek is a prestressed concrete stringer/multi-beam or girder carrying Ill 96 over Howell Hollow Creek in Calhoun County, Illinois. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 700 vehicles a day, roughly 17% of them trucks, projected to reach 1,414 by 2046. The structure is 75 ft (23 m) long and 35 ft wide. If it were closed, the detour would be 75.2 mi (121 km).

CarriesIll 96
CrossesHowell Hollow Creek
Location8.6 MI N Mozier
RouteState Highway 96
Coordinates39.39269, -90.81667
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.6 US tons
Inventory rating48.6 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length75 ft (23 m)
Longest span73 ft (22.2 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic700 (2023)
Projected traffic1,414 by 2046
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed75.2 mi (121 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 Ill 96 over Howell Hollow Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is Ill 96 over Howell Hollow 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 June 2024.

How much traffic does Ill 96 over Howell Hollow Creek carry?

About 700 vehicles per day (2023 count), of which roughly 17% are trucks.

How long is Ill 96 over Howell Hollow Creek?

The structure is 75 ft (23 m) long with a longest span of 73 ft (22.2 m) and a deck 35 ft wide.

Who owns Ill 96 over Howell Hollow Creek?

It is owned by the State Highway Agency.