US Bridges

124 over Br of Mill Creek TR

Good

Jo Daviess County, Illinois · 4 MI So Scales Mound · Structure no. 043322700000000

Built
1984
41 years old
Condition
Good
inspected March 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
39 ft
1 main span
Daily traffic
50
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

124 over Br of Mill Creek TR is a prestressed concrete box beam or girders - multiple carrying 124 over Br of Mill Creek TR in Jo Daviess County, Illinois. It was built in 1984, so it is 41 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 50 vehicles a day, roughly 8% of them trucks, projected to reach 51 by 2046. The structure is 39 ft (11.9 m) long and 24 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Carries124
CrossesBr of Mill Creek TR
Location4 MI So Scales Mound
RouteCounty Highway 0
Coordinates42.43467, -90.22994
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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum 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 length39 ft (11.9 m)
Longest span36 ft (11 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2021)
Projected traffic51 by 2046
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 124 over Br of Mill Creek TR built?

It was built in 1984, making it 41 years old in 2025.

What condition is 124 over Br of Mill Creek TR 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 2022.

How much traffic does 124 over Br of Mill Creek TR carry?

About 50 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is 124 over Br of Mill Creek TR?

The structure is 39 ft (11.9 m) long with a longest span of 36 ft (11 m) and a deck 24 ft wide.

Who owns 124 over Br of Mill Creek TR?

It is owned by the Town or Township Highway Agency.