US Bridges

TR 250 over Henderson Creek

FairPosted for load

Mercer County, Illinois · W.CTR-17-T13NR1W · Structure no. 066410300000000

Built
1957
68 years old
Condition
Fair
inspected October 2024
Type
Channel Beam
Concrete
Length
72 ft
3 main spans
Daily traffic
10
2024 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 250 over Henderson Creek is a concrete channel beam carrying TR 250 over Henderson Creek in Mercer County, Illinois. It was built in 1957, so it is 68 years old, older than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 10 vehicles a day, projected to reach 10 by 2046. The structure is 72 ft (21.9 m) long and 26 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesTR 250
CrossesHenderson Creek
LocationW.CTR-17-T13NR1W
RouteCounty Highway 0
CountyMercer County
StateIllinois
Coordinates41.11588, -90.53272
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating38.9 US tons
Inventory rating18.5 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 15
Structure length72 ft (21.9 m)
Longest span30 ft (9.1 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2024)
Projected traffic10 by 2046
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$179,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 250 over Henderson Creek built?

It was built in 1957, making it 68 years old in 2025.

What condition is TR 250 over Henderson Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in October 2024.

How much traffic does TR 250 over Henderson Creek carry?

About 10 vehicles per day (2024 count).

How long is TR 250 over Henderson Creek?

The structure is 72 ft (21.9 m) long with a longest span of 30 ft (9.1 m) and a deck 26 ft wide.

Who owns TR 250 over Henderson Creek?

It is owned by the Town or Township Highway Agency.