US Bridges

SH 347 SB over Spur 136 & KCS Railroad

Fair

Jefferson County, Texas · SH 347 @ Spur 136 · Structure no. 201240066701013

Built
1983
42 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
477 ft
3 main spans
Daily traffic
9,485
2020 count
Owner
State
State Highway Agency

About this bridge

SH 347 SB over Spur 136 & KCS Railroad is a prestressed concrete stringer/multi-beam or girder carrying SH 347 SB over Spur 136 & KCS Railroad in Jefferson County, Texas. It was built in 1983, so it is 42 years old, younger than the Texas average of 44.4 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 9,485 vehicles a day, roughly 9% of them trucks, projected to reach 12,220 by 2033. The structure is 477 ft (145.4 m) long and 52 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesSH 347 SB
CrossesSpur 136 & KCS Railroad
LocationSH 347 @ Spur 136
RouteState Highway 347
CountyJefferson County
StateTexas
Coordinates29.94711, -93.94945
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3 (+3 approach)
Design loadHS 20
Structure length477 ft (145.4 m)
Longest span90 ft (27.4 m)
Deck width52 ft (15.9 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,485 (2020)
Projected traffic12,220 by 2033
Trucks9%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SH 347 SB over Spur 136 & KCS Railroad built?

It was built in 1983, making it 42 years old in 2025.

What condition is SH 347 SB over Spur 136 & KCS Railroad 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 July 2024.

How much traffic does SH 347 SB over Spur 136 & KCS Railroad carry?

About 9,485 vehicles per day (2020 count), of which roughly 9% are trucks.

How long is SH 347 SB over Spur 136 & KCS Railroad?

The structure is 477 ft (145.4 m) long with a longest span of 90 ft (27.4 m) and a deck 52 ft wide.

Who owns SH 347 SB over Spur 136 & KCS Railroad?

It is owned by the State Highway Agency.