US Bridges

SR 2045 over Tumble Brook

Good

Lehigh County, Pennsylvania · Center Valley · Structure no. 000000000045381

Built
2009
16 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
8,116
2024 count
Owner
State
State Highway Agency

About this bridge

SR 2045 over Tumble Brook is a concrete culvert carrying SR 2045 over Tumble Brook in Lehigh County, Pennsylvania. It was built in 2009, so it is 16 years old, younger than the Pennsylvania average of 54.8 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 8,116 vehicles a day, roughly 3% of them trucks, projected to reach 12,397 by 2032. The structure is 35 ft (10.7 m) long and 44 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesSR 2045
CrossesTumble Brook
LocationCenter Valley
RouteState Highway 0
CountyLehigh County
StatePennsylvania
Coordinates40.5209, -75.39067
Functional classUrban Collector

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 inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85 US tons
Inventory rating65 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHL 93
Structure length35 ft (10.7 m)
Longest span16 ft (4.9 m)
Deck width44 ft (13.3 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,116 (2024)
Projected traffic12,397 by 2032
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 2045 over Tumble Brook built?

It was built in 2009, making it 16 years old in 2025.

What condition is SR 2045 over Tumble Brook 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 April 2023.

How much traffic does SR 2045 over Tumble Brook carry?

About 8,116 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is SR 2045 over Tumble Brook?

The structure is 35 ft (10.7 m) long with a longest span of 16 ft (4.9 m) and a deck 44 ft wide.

Who owns SR 2045 over Tumble Brook?

It is owned by the State Highway Agency.