US Bridges

TR 40 over Un-Named Creek

Good

Marshall County, Illinois · Sec 10 T13N R9E 4PM · Structure no. 062417100000000

Built
2015
10 years old
Condition
Good
inspected August 2023
Type
Culvert
Steel
Length
25 ft
2 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 40 over Un-Named Creek is a steel culvert carrying TR 40 over Un-Named Creek in Marshall County, Illinois. It was built in 2015, so it is 10 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 25 ft (7.6 m) long.

CarriesTR 40
CrossesUn-Named Creek
LocationSec 10 T13N R9E 4PM
RouteCounty Highway 0
Coordinates41.12639, -89.45724
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert8 Very GoodNo problems noted.
Last inspectionAugust 2023
Inspection intervalevery 24 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 alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 25 or greater
Structure length25 ft (7.6 m)
Longest span11 ft (3.5 m)
Deck width0 ft (0 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25 (2024)
Projected traffic25 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed—
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was TR 40 over Un-Named Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is TR 40 over Un-Named 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 August 2023.

How much traffic does TR 40 over Un-Named Creek carry?

About 25 vehicles per day (2024 count).

How long is TR 40 over Un-Named Creek?

The structure is 25 ft (7.6 m) long with a longest span of 11 ft (3.5 m).

Who owns TR 40 over Un-Named Creek?

It is owned by the Town or Township Highway Agency.