US Bridges

TR 27 over Branch of Spring Cr.

PoorPosted for load

Hancock County, Illinois · 3.0 MI NW Laharpe · Structure no. 034411400000000

Built
1950
75 years old, rebuilt 1965
Condition
Poor
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
43 ft
1 main span
Daily traffic
50
2023 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

TR 27 over Branch of Spring Cr. is a steel stringer/multi-beam or girder carrying TR 27 over Branch of Spring Cr. in Hancock County, Illinois. It was built in 1950 and reconstructed in 1965, so it is 75 years old, older 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. Its operating status is: posted for load restriction.

It carries about 50 vehicles a day, projected to reach 51 by 2046. The structure is 43 ft (13.1 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesTR 27
CrossesBranch of Spring Cr.
Location3.0 MI NW Laharpe
RouteCounty Highway 0
Coordinates40.60596, -91.0447
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating21.4 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length43 ft (13.1 m)
Longest span42 ft (12.8 m)
Deck width18 ft (5.5 m)
Roadway width17 ft (5.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic51 by 2046
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$104,000
NavigationNo navigation control on waterway

Frequently asked questions

When was TR 27 over Branch of Spring Cr. built?

It was built in 1950, making it 75 years old in 2025. It was reconstructed in 1965.

What condition is TR 27 over Branch of Spring Cr. 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 December 2024.

How much traffic does TR 27 over Branch of Spring Cr. carry?

About 50 vehicles per day (2023 count).

How long is TR 27 over Branch of Spring Cr.?

The structure is 43 ft (13.1 m) long with a longest span of 42 ft (12.8 m) and a deck 18 ft wide.

Who owns TR 27 over Branch of Spring Cr.?

It is owned by the Town or Township Highway Agency.