US Bridges

US 29 over Middle Tyger River

Fair

Spartanburg County, South Carolina · 4.5 MI E Greer · Structure no. 000000000001272

Built
1942
83 years old, rebuilt 1984
Condition
Fair
inspected January 2024
Type
Tee Beam
Concrete
Length
210 ft
7 main spans
Daily traffic
26,300
2023 count
Owner
State
State Highway Agency

About this bridge

US 29 over Middle Tyger River is a concrete tee beam carrying US 29 over Middle Tyger River in Spartanburg County, South Carolina. It was built in 1942 and reconstructed in 1984, so it is 83 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 26,300 vehicles a day, roughly 6% of them trucks, projected to reach 52,337 by 2043. The structure is 210 ft (64 m) long and 84 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesUS 29
CrossesMiddle Tyger River
Location4.5 MI E Greer
RouteU.S. Route 29
Coordinates34.95558, -82.15791
Functional classUrban Other Principal Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
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 protection8 Very GoodNo problems noted.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no 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 geometry9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating57.1 US tons
Inventory rating34.3 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length210 ft (64 m)
Longest span30 ft (9.1 m)
Deck width84 ft (25.6 m)
Roadway width80 ft (24.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic26,300 (2023)
Projected traffic52,337 by 2043
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

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 US 29 over Middle Tyger River built?

It was built in 1942, making it 83 years old in 2025. It was reconstructed in 1984.

What condition is US 29 over Middle Tyger River 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 January 2024.

How much traffic does US 29 over Middle Tyger River carry?

About 26,300 vehicles per day (2023 count), of which roughly 6% are trucks.

How long is US 29 over Middle Tyger River?

The structure is 210 ft (64 m) long with a longest span of 30 ft (9.1 m) and a deck 84 ft wide.

Who owns US 29 over Middle Tyger River?

It is owned by the State Highway Agency.