US Bridges

Il 9/96 over Spillman Creek

Good

Hancock County, Illinois · .5M W Mercer Pontoos · Structure no. 034000900000000

Built
1999
26 years old
Condition
Good
inspected September 2021
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
119 ft
2 main spans
Daily traffic
1,550
2023 count
Owner
State
State Highway Agency

About this bridge

Il 9/96 over Spillman Creek is a steel continuous stringer/multi-beam or girder carrying Il 9/96 over Spillman Creek in Hancock 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 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 6% of them trucks, projected to reach 1,616 by 2046. The structure is 119 ft (36.2 m) long and 35 ft wide.

Location

Open in Google Maps
CarriesIl 9/96
CrossesSpillman Creek
Location.5M W Mercer Pontoos
RouteState Highway 9
CountyHancock County
StateIllinois
Coordinates40.62413, -91.21424
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 inspectionSeptember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: 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 rating77.5 US tons
Inventory rating46.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length119 ft (36.2 m)
Longest span59 ft (18.1 m)
Deck width35 ft (10.6 m)
Roadway width31 ft (9.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,550 (2023)
Projected traffic1,616 by 2046
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
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 9/96 over Spillman Creek built?

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

What condition is Il 9/96 over Spillman 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 September 2021.

How much traffic does Il 9/96 over Spillman Creek carry?

About 1,550 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is Il 9/96 over Spillman Creek?

The structure is 119 ft (36.2 m) long with a longest span of 59 ft (18.1 m) and a deck 35 ft wide.

Who owns Il 9/96 over Spillman Creek?

It is owned by the State Highway Agency.