US Bridges

127 TH Ave(ch 55) over Br. of Mill Creek

Good

Rock Island County, Illinois · 4 MI SE of Milan · Structure no. 081310900000000

Built
1992
33 years old
Condition
Good
inspected November 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
72 ft
1 main span
Daily traffic
600
2020 count
Owner
County
County Highway Agency

About this bridge

127 TH Ave(ch 55) over Br. of Mill Creek is a prestressed concrete box beam or girders - multiple carrying 127 TH Ave(ch 55) over Br. of Mill Creek in Rock Island County, Illinois. It was built in 1992, so it is 33 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 600 vehicles a day, roughly 17% of them trucks, projected to reach 606 by 2046. The structure is 72 ft (21.8 m) long and 36 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
Carries127 TH Ave(ch 55)
CrossesBr. of Mill Creek
Location4 MI SE of Milan
RouteCounty Highway 0
CountyRock Island County
StateIllinois
Coordinates41.39158, -90.53875
Functional classRural Major Collector

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 protection8 Very GoodNo problems noted.
Last inspectionNovember 2022
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 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 typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length72 ft (21.8 m)
Longest span69 ft (21 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2020)
Projected traffic606 by 2046
Trucks17%
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

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 127 TH Ave(ch 55) over Br. of Mill Creek built?

It was built in 1992, making it 33 years old in 2025.

What condition is 127 TH Ave(ch 55) over Br. of Mill Creek 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 November 2022.

How much traffic does 127 TH Ave(ch 55) over Br. of Mill Creek carry?

About 600 vehicles per day (2020 count), of which roughly 17% are trucks.

How long is 127 TH Ave(ch 55) over Br. of Mill Creek?

The structure is 72 ft (21.8 m) long with a longest span of 69 ft (21 m) and a deck 36 ft wide.

Who owns 127 TH Ave(ch 55) over Br. of Mill Creek?

It is owned by the County Highway Agency.