US Bridges

SR 4040 (lr 39072) over Trib. to Lyon Creek

Fair

Lehigh County, Pennsylvania · Holbens Valley Rd. · Structure no. 000000000023423

Built
1930
95 years old
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
21 ft
1 main span
Daily traffic
1,946
2023 count
Owner
State
State Highway Agency

About this bridge

SR 4040 (lr 39072) over Trib. to Lyon Creek is a concrete culvert carrying SR 4040 (lr 39072) over Trib. to Lyon Creek in Lehigh County, Pennsylvania. It was built in 1930, so it is 95 years old, older than the Pennsylvania average of 54.8 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.

It carries about 1,946 vehicles a day, roughly 4% of them trucks, projected to reach 2,506 by 2032. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 8.1 mi (13 km).

Location

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CarriesSR 4040 (lr 39072)
CrossesTrib. to Lyon Creek
LocationHolbens Valley Rd.
RouteState Highway 0
CountyLehigh County
StatePennsylvania
Coordinates40.63403, -75.68807
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating98.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,946 (2023)
Projected traffic2,506 by 2032
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 4040 (lr 39072) over Trib. to Lyon Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is SR 4040 (lr 39072) over Trib. to Lyon 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 April 2023.

How much traffic does SR 4040 (lr 39072) over Trib. to Lyon Creek carry?

About 1,946 vehicles per day (2023 count), of which roughly 4% are trucks.

How long is SR 4040 (lr 39072) over Trib. to Lyon Creek?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns SR 4040 (lr 39072) over Trib. to Lyon Creek?

It is owned by the State Highway Agency.