US Bridges

S-42-37 over Lake Bowen

Fair

Spartanburg County, South Carolina · 4.0 MI N Inman · Structure no. 000000000003110

Built
1959
66 years old
Condition
Fair
inspected September 2023
Type
Tee Beam
Concrete
Length
400 ft
10 main spans
Daily traffic
1,650
2023 count
Owner
State
State Highway Agency

About this bridge

S-42-37 over Lake Bowen is a concrete tee beam carrying S-42-37 over Lake Bowen in Spartanburg County, South Carolina. It was built in 1959, so it is 66 years old, older than the South Carolina average of 48 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 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 1,650 vehicles a day, roughly 7% of them trucks, projected to reach 2,409 by 2043. The structure is 400 ft (121.9 m) long and 28 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesS-42-37
CrossesLake Bowen
Location4.0 MI N Inman
RouteState Highway 37
Coordinates35.11063, -82.09431
Functional classRural Major 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans10
Design loadH 15
Structure length400 ft (121.9 m)
Longest span40 ft (12.2 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,650 (2023)
Projected traffic2,409 by 2043
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was S-42-37 over Lake Bowen built?

It was built in 1959, making it 66 years old in 2025.

What condition is S-42-37 over Lake Bowen 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 September 2023.

How much traffic does S-42-37 over Lake Bowen carry?

About 1,650 vehicles per day (2023 count), of which roughly 7% are trucks.

How long is S-42-37 over Lake Bowen?

The structure is 400 ft (121.9 m) long with a longest span of 40 ft (12.2 m) and a deck 28 ft wide.

Who owns S-42-37 over Lake Bowen?

It is owned by the State Highway Agency.