US Bridges

Bolton Road over Yellow Creek

Fair

Stephenson County, Illinois · 4.0 MI SW Freeport · Structure no. 089302800000000

Built
1958
67 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
190 ft
3 main spans
Daily traffic
850
2024 count
Owner
County
County Highway Agency

About this bridge

Bolton Road over Yellow Creek is a steel continuous stringer/multi-beam or girder carrying Bolton Road over Yellow Creek in Stephenson County, Illinois. It was built in 1958, so it is 67 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 850 vehicles a day, roughly 4% of them trucks, projected to reach 859 by 2046. The structure is 190 ft (57.9 m) long and 28 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesBolton Road
CrossesYellow Creek
Location4.0 MI SW Freeport
RouteCounty Highway 0
Coordinates42.24914, -89.71814
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating45 US tons
Inventory rating27.1 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length190 ft (57.9 m)
Longest span69 ft (21 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic850 (2024)
Projected traffic859 by 2046
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Bolton Road over Yellow Creek built?

It was built in 1958, making it 67 years old in 2025.

What condition is Bolton Road over Yellow Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in December 2023.

How much traffic does Bolton Road over Yellow Creek carry?

About 850 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Bolton Road over Yellow Creek?

The structure is 190 ft (57.9 m) long with a longest span of 69 ft (21 m) and a deck 28 ft wide.

Who owns Bolton Road over Yellow Creek?

It is owned by the County Highway Agency.