US Bridges

TR 111 over Camp Creek

Poor

Mercer County, Illinois · NW-8-T14NR4W · Structure no. 066490900000000

Built
1981
44 years old
Condition
Poor
inspected November 2024
Type
Channel Beam
Concrete
Length
77 ft
3 main spans
Daily traffic
25
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 111 over Camp Creek is a concrete channel beam carrying TR 111 over Camp Creek in Mercer County, Illinois. It was built in 1981, so it is 44 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 25 vehicles a day, projected to reach 25 by 2046. The structure is 77 ft (23.5 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesTR 111
CrossesCamp Creek
LocationNW-8-T14NR4W
RouteCounty Highway 0
Coordinates41.23093, -90.87552
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating65 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length77 ft (23.5 m)
Longest span25 ft (7.6 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.8 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
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 111 over Camp Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is TR 111 over Camp Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in November 2024.

How much traffic does TR 111 over Camp Creek carry?

About 25 vehicles per day (2024 count).

How long is TR 111 over Camp Creek?

The structure is 77 ft (23.5 m) long with a longest span of 25 ft (7.6 m) and a deck 27 ft wide.

Who owns TR 111 over Camp Creek?

It is owned by the Town or Township Highway Agency.