US Bridges

SH 35 over Chigger Creek

Good

Brazoria County, Texas · 4.00 MI N of SH 6 · Structure no. 120200017802071

Built
1999
26 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
35 ft
3 main spans
Daily traffic
25,342
2023 count
Owner
State
State Highway Agency

About this bridge

SH 35 over Chigger Creek is a concrete culvert carrying SH 35 over Chigger Creek in Brazoria County, Texas. It was built in 1999, so it is 26 years old, younger 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 25,342 vehicles a day, roughly 5% of them trucks, projected to reach 28,850 by 2033. The structure is 35 ft (10.7 m) long and 95 ft wide.

CarriesSH 35
CrossesChigger Creek
Location4.00 MI N of SH 6
RouteState Highway 35
StateTexas
Coordinates29.48802, -95.24636
Functional classUrban Other Principal Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span10 ft (3 m)
Deck width95 ft (29 m)
Roadway width73 ft (22.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,342 (2023)
Projected traffic28,850 by 2033
Trucks5%
Lanes on structure5
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

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 35 over Chigger Creek built?

It was built in 1999, making it 26 years old in 2025.

What condition is SH 35 over Chigger Creek 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 November 2024.

How much traffic does SH 35 over Chigger Creek carry?

About 25,342 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is SH 35 over Chigger Creek?

The structure is 35 ft (10.7 m) long with a longest span of 10 ft (3 m) and a deck 95 ft wide.

Who owns SH 35 over Chigger Creek?

It is owned by the State Highway Agency.