US Bridges

Sawyer Road over Little Rock Creek

Fair

Whiteside County, Illinois · 6 Mi. N. Morrison · Structure no. 098361600000000

Built
1993
32 years old
Condition
Fair
inspected October 2023
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
10
2022 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Sawyer Road over Little Rock Creek is a concrete channel beam carrying Sawyer Road over Little Rock Creek in Whiteside County, Illinois. It was built in 1993, so it is 32 years old, younger 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 10 vehicles a day, roughly 20% of them trucks, projected to reach 10 by 2046. The structure is 40 ft (12.1 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSawyer Road
CrossesLittle Rock Creek
Location6 Mi. N. Morrison
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.90355, -89.95407
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span37 ft (11.4 m)
Deck width26 ft (8 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)
Projected traffic10 by 2046
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 Sawyer Road over Little Rock Creek built?

It was built in 1993, making it 32 years old in 2025.

What condition is Sawyer Road over Little Rock 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 October 2023.

How much traffic does Sawyer Road over Little Rock Creek carry?

About 10 vehicles per day (2022 count), of which roughly 20% are trucks.

How long is Sawyer Road over Little Rock Creek?

The structure is 40 ft (12.1 m) long with a longest span of 37 ft (11.4 m) and a deck 26 ft wide.

Who owns Sawyer Road over Little Rock Creek?

It is owned by the Town or Township Highway Agency.