US Bridges

Millmac RD over Caney Creek Relief

Good

Montgomery County, Texas · 1.40 MI NE of SH 105 · Structure no. 121700AA1952003

Built
2009
16 years old
Condition
Good
inspected October 2023
Type
Culvert
Steel
Length
25 ft
3 main spans
Daily traffic
600
2015 count
Owner
County
County Highway Agency

About this bridge

Millmac RD over Caney Creek Relief is a steel culvert carrying Millmac RD over Caney Creek Relief in Montgomery County, Texas. It was built in 2009, so it is 16 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 600 vehicles a day, roughly 5% of them trucks, projected to reach 1,000 by 2035. The structure is 25 ft (7.6 m) long and 32 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesMillmac RD
CrossesCaney Creek Relief
Location1.40 MI NE of SH 105
RouteCounty Highway 0
StateTexas
Coordinates30.34375, -95.34212
Functional classRural Local

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 protection8 Very GoodNo problems noted.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating61 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckSteel plate
Main spans3
Design loadUnknown
Structure length25 ft (7.6 m)
Longest span8 ft (2.4 m)
Deck width32 ft (9.8 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2015)
Projected traffic1,000 by 2035
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRelief for waterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Millmac RD over Caney Creek Relief built?

It was built in 2009, making it 16 years old in 2025.

What condition is Millmac RD over Caney Creek Relief 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 October 2023.

How much traffic does Millmac RD over Caney Creek Relief carry?

About 600 vehicles per day (2015 count), of which roughly 5% are trucks.

How long is Millmac RD over Caney Creek Relief?

The structure is 25 ft (7.6 m) long with a longest span of 8 ft (2.4 m) and a deck 32 ft wide.

Who owns Millmac RD over Caney Creek Relief?

It is owned by the County Highway Agency.