US Bridges

SH 75 over Boggy Creek Relief

Fair

Leon County, Texas · 2.7 MI N of FM 977 · Structure no. 171450016606054

Built
1948
77 years old
Condition
Fair
inspected March 2023
Type
Slab
Concrete Continuous
Length
250 ft
10 main spans
Daily traffic
1,092
2020 count
Owner
State
State Highway Agency

About this bridge

SH 75 over Boggy Creek Relief is a concrete continuous slab carrying SH 75 over Boggy Creek Relief in Leon County, Texas. It was built in 1948, so it is 77 years old, older 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 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 1,092 vehicles a day, roughly 10% of them trucks, projected to reach 1,010 by 2033. The structure is 250 ft (76.2 m) long and 31 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesSH 75
CrossesBoggy Creek Relief
Location2.7 MI N of FM 977
RouteState Highway 75
CountyLeon County
StateTexas
Coordinates31.19143, -95.97449
Functional classRural Minor 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59 US tons
Inventory rating34.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadOther
Structure length250 ft (76.2 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,092 (2020)
Projected traffic1,010 by 2033
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed3.1 mi (5 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 75 over Boggy Creek Relief built?

It was built in 1948, making it 77 years old in 2025.

What condition is SH 75 over Boggy Creek Relief 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 March 2023.

How much traffic does SH 75 over Boggy Creek Relief carry?

About 1,092 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is SH 75 over Boggy Creek Relief?

The structure is 250 ft (76.2 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns SH 75 over Boggy Creek Relief?

It is owned by the State Highway Agency.