US Bridges

FAS 1425 over Trib Spillman Creek

Good

Hancock County, Illinois · .30MI S Pontoosuc Cl · Structure no. 034490700000000

Built
1990
35 years old
Condition
Good
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
50 ft
1 main span
Daily traffic
20
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

FAS 1425 over Trib Spillman Creek is a prestressed concrete box beam or girders - multiple carrying FAS 1425 over Trib Spillman Creek in Hancock County, Illinois. It was built in 1990, so it is 35 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 20 vehicles a day, roughly 10% of them trucks, projected to reach 51 by 2046. The structure is 50 ft (15.2 m) long and 28 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesFAS 1425
CrossesTrib Spillman Creek
Location.30MI S Pontoosuc Cl
RouteCounty Highway 0
Coordinates40.61671, -91.20308
Functional classRural Minor Collector

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
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 alignment6: Equal to present minimum criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length50 ft (15.2 m)
Longest span49 ft (14.8 m)
Deck width28 ft (8.4 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic51 by 2046
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township 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 FAS 1425 over Trib Spillman Creek built?

It was built in 1990, making it 35 years old in 2025.

What condition is FAS 1425 over Trib 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 July 2024.

How much traffic does FAS 1425 over Trib Spillman Creek carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is FAS 1425 over Trib Spillman Creek?

The structure is 50 ft (15.2 m) long with a longest span of 49 ft (14.8 m) and a deck 28 ft wide.

Who owns FAS 1425 over Trib Spillman Creek?

It is owned by the Town or Township Highway Agency.