US Bridges

TR 116 over Douglas Creek

Good

Mercer County, Illinois · S.CTR-25-T14NR4W · Structure no. 066491400000000

Built
2003
22 years old
Condition
Good
inspected July 2024
Type
Culvert
Concrete
Length
26 ft
1 main span
Daily traffic
75
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 116 over Douglas Creek is a concrete culvert carrying TR 116 over Douglas Creek in Mercer County, Illinois. It was built in 2003, so it is 22 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 75 vehicles a day, roughly 27% of them trucks, projected to reach 126 by 2046. The structure is 26 ft (7.8 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 116
CrossesDouglas Creek
LocationS.CTR-25-T14NR4W
RouteCounty Highway 0
Coordinates41.1732, -90.7918
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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55.3 US tons
Inventory rating32.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length26 ft (7.8 m)
Longest span13 ft (3.9 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic126 by 2046
Trucks27%
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 116 over Douglas Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is TR 116 over Douglas 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 July 2024.

How much traffic does TR 116 over Douglas Creek carry?

About 75 vehicles per day (2024 count), of which roughly 27% are trucks.

How long is TR 116 over Douglas Creek?

The structure is 26 ft (7.8 m) long with a longest span of 13 ft (3.9 m).

Who owns TR 116 over Douglas Creek?

It is owned by the Town or Township Highway Agency.