US Bridges

SH 43 over Big Cypress Relief No. 1

Good

Marion County, Texas · 2.20 MI S of FM 805 E · Structure no. 191550056903016

Built
1965
60 years old
Condition
Good
inspected September 2024
Type
Stringer/Multi-beam or Girder
Concrete
Length
364 ft
12 main spans
Daily traffic
1,244
2020 count
Owner
State
State Highway Agency

About this bridge

SH 43 over Big Cypress Relief No. 1 is a concrete stringer/multi-beam or girder carrying SH 43 over Big Cypress Relief No. 1 in Marion County, Texas. It was built in 1965, so it is 60 years old, older than the Texas average of 44.4 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 1,244 vehicles a day, roughly 20% of them trucks, projected to reach 1,940 by 2033. The structure is 364 ft (110.9 m) long and 31 ft wide. If it were closed, the detour would be 26.1 mi (42 km).

Location

Open in Google Maps
CarriesSH 43
CrossesBig Cypress Relief No. 1
Location2.20 MI S of FM 805 E
RouteState Highway 43
CountyMarion County
StateTexas
Coordinates32.71068, -94.19171
Functional classRural Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialConcrete
DeckConcrete, cast-in-place
Main spans12
Design loadH 20
Structure length364 ft (110.9 m)
Longest span30 ft (9.1 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,244 (2020)
Projected traffic1,940 by 2033
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed26.1 mi (42 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 43 over Big Cypress Relief No. 1 built?

It was built in 1965, making it 60 years old in 2025.

What condition is SH 43 over Big Cypress Relief No. 1 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 September 2024.

How much traffic does SH 43 over Big Cypress Relief No. 1 carry?

About 1,244 vehicles per day (2020 count), of which roughly 20% are trucks.

How long is SH 43 over Big Cypress Relief No. 1?

The structure is 364 ft (110.9 m) long with a longest span of 30 ft (9.1 m) and a deck 31 ft wide.

Who owns SH 43 over Big Cypress Relief No. 1?

It is owned by the State Highway Agency.