US Bridges

TR 141 over Unnamed Creek

Good

Rock Island County, Illinois · 3 MI SW Ill City · Structure no. 081312200000000

Built
1999
26 years old
Condition
Good
inspected December 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
76 ft
1 main span
Daily traffic
25
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 141 over Unnamed Creek is a prestressed concrete box beam or girders - multiple carrying TR 141 over Unnamed Creek in Rock Island County, Illinois. It was built in 1999, so it is 26 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 25 vehicles a day, projected to reach 25 by 2046. The structure is 76 ft (23.1 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 141
CrossesUnnamed Creek
Location3 MI SW Ill City
RouteCounty Highway 0
Coordinates41.38279, -90.94816
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
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment9: Superior to present desirable criteria
Operating rating48.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length76 ft (23.1 m)
Longest span74 ft (22.6 m)
Deck width27 ft (8.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2020)
Projected traffic25 by 2046
Trucks0%
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 TR 141 over Unnamed Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is TR 141 over Unnamed 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 December 2021.

How much traffic does TR 141 over Unnamed Creek carry?

About 25 vehicles per day (2020 count).

How long is TR 141 over Unnamed Creek?

The structure is 76 ft (23.1 m) long with a longest span of 74 ft (22.6 m) and a deck 27 ft wide.

Who owns TR 141 over Unnamed Creek?

It is owned by the Town or Township Highway Agency.