US Bridges

Emerson Road over Sugar Creek

Fair

Whiteside County, Illinois · .5 MI W of Emerson · Structure no. 098305900000000

Built
1982
43 years old
Condition
Fair
inspected April 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
64 ft
1 main span
Daily traffic
3,050
2021 count
Owner
County
County Highway Agency

About this bridge

Emerson Road over Sugar Creek is a prestressed concrete box beam or girders - multiple carrying Emerson Road over Sugar Creek in Whiteside County, Illinois. It was built in 1982, so it is 43 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 3,050 vehicles a day, roughly 11% of them trucks, projected to reach 3,081 by 2046. The structure is 64 ft (19.4 m) long and 35 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesEmerson Road
CrossesSugar Creek
Location.5 MI W of Emerson
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.80415, -89.77654
Functional classUrban 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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48.9 US tons
Inventory rating35.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length64 ft (19.4 m)
Longest span62 ft (18.9 m)
Deck width35 ft (10.8 m)
Roadway width35 ft (10.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,050 (2021)
Projected traffic3,081 by 2046
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 Emerson Road over Sugar Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is Emerson Road over Sugar 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 April 2023.

How much traffic does Emerson Road over Sugar Creek carry?

About 3,050 vehicles per day (2021 count), of which roughly 11% are trucks.

How long is Emerson Road over Sugar Creek?

The structure is 64 ft (19.4 m) long with a longest span of 62 ft (18.9 m) and a deck 35 ft wide.

Who owns Emerson Road over Sugar Creek?

It is owned by the County Highway Agency.