US Bridges

IH 10 Wbfr over Robertson Branch

Good

Colorado County, Texas · 3.8 MI E of FM 949 · Structure no. 130450027101830

Built
2024
1 years old
Condition
Good
inspected November 2024
Type
Culvert
Concrete
Length
37 ft
3 main spans
Daily traffic
434
2023 count
Owner
State
State Highway Agency

About this bridge

IH 10 Wbfr over Robertson Branch is a concrete culvert carrying IH 10 Wbfr over Robertson Branch in Colorado County, Texas. It was built in 2024, so it is 1 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 434 vehicles a day, roughly 13% of them trucks, projected to reach 608 by 2042. The structure is 37 ft (11.2 m) long and 20 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesIH 10 Wbfr
CrossesRobertson Branch
Location3.8 MI E of FM 949
RouteInterstate 10
StateTexas
Coordinates29.73681, -96.35518
Functional classRural Principal Arterial - Interstate

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 protection7 GoodSome minor problems.
Culvert8 Very GoodNo problems noted.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHL 93
Structure length37 ft (11.2 m)
Longest span7 ft (2.1 m)
Deck width20 ft (6.2 m)
Roadway width12 ft (3.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic434 (2023)
Projected traffic608 by 2042
Trucks13%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was IH 10 Wbfr over Robertson Branch built?

It was built in 2024, making it 1 years old in 2025.

What condition is IH 10 Wbfr over Robertson Branch 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 IH 10 Wbfr over Robertson Branch carry?

About 434 vehicles per day (2023 count), of which roughly 13% are trucks.

How long is IH 10 Wbfr over Robertson Branch?

The structure is 37 ft (11.2 m) long with a longest span of 7 ft (2.1 m) and a deck 20 ft wide.

Who owns IH 10 Wbfr over Robertson Branch?

It is owned by the State Highway Agency.