US Bridges

TR 70 over Mud Creek

Good

Henry County, Illinois · .1 MI SE Colona · Structure no. 037337100000000

Built
2012
13 years old
Condition
Good
inspected October 2022
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
81 ft
1 main span
Daily traffic
75
2020 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 70 over Mud Creek is a prestressed concrete box beam or girders - multiple carrying TR 70 over Mud Creek in Henry County, Illinois. It was built in 2012, so it is 13 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 75 vehicles a day, roughly 13% of them trucks, projected to reach 81 by 2046. The structure is 81 ft (24.6 m) long and 24 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesTR 70
CrossesMud Creek
Location.1 MI SE Colona
RouteCounty Highway 0
Coordinates41.42298, -90.31921
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 protection9 ExcellentNo problems noted.
Last inspectionOctober 2022
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 adequacy9: Superior 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 25 or greater
Structure length81 ft (24.6 m)
Longest span79 ft (24.1 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2020)
Projected traffic81 by 2046
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 70 over Mud Creek built?

It was built in 2012, making it 13 years old in 2025.

What condition is TR 70 over Mud 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 October 2022.

How much traffic does TR 70 over Mud Creek carry?

About 75 vehicles per day (2020 count), of which roughly 13% are trucks.

How long is TR 70 over Mud Creek?

The structure is 81 ft (24.6 m) long with a longest span of 79 ft (24.1 m) and a deck 24 ft wide.

Who owns TR 70 over Mud Creek?

It is owned by the Town or Township Highway Agency.