US Bridges

TR98 (millard Rd) over Spring Brook

Good

Whiteside County, Illinois · 4.5 MI E Fulton · Structure no. 098586300000000

Built
2020
5 years old
Condition
Good
inspected March 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
61 ft
1 main span
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR98 (millard Rd) over Spring Brook is a prestressed concrete box beam or girders - multiple carrying TR98 (millard Rd) over Spring Brook in Whiteside County, Illinois. It was built in 2020, so it is 5 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 100 vehicles a day, roughly 34% of them trucks, projected to reach 101 by 2046. The structure is 61 ft (18.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesTR98 (millard Rd)
CrossesSpring Brook
Location4.5 MI E Fulton
RouteCounty Highway 0
CountyWhiteside County
StateIllinois
Coordinates41.85907, -90.06507
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating75.4 US tons
Inventory rating59 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 25 or greater
Structure length61 ft (18.7 m)
Longest span58 ft (17.7 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic101 by 2046
Trucks34%
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 TR98 (millard Rd) over Spring Brook built?

It was built in 2020, making it 5 years old in 2025.

What condition is TR98 (millard Rd) over Spring Brook 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 March 2023.

How much traffic does TR98 (millard Rd) over Spring Brook carry?

About 100 vehicles per day (2021 count), of which roughly 34% are trucks.

How long is TR98 (millard Rd) over Spring Brook?

The structure is 61 ft (18.7 m) long with a longest span of 58 ft (17.7 m) and a deck 28 ft wide.

Who owns TR98 (millard Rd) over Spring Brook?

It is owned by the Town or Township Highway Agency.